{"id":5913,"date":"2025-12-05T13:34:41","date_gmt":"2025-12-05T13:34:41","guid":{"rendered":"https:\/\/blog.ccopera.com\/metaux\/?p=5913"},"modified":"2026-03-18T14:29:35","modified_gmt":"2026-03-18T14:29:35","slug":"les-poincons","status":"publish","type":"post","link":"https:\/\/blog.ccopera.com\/metaux\/les-poincons-5913","title":{"rendered":"Les Poin\u00e7ons"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"307\" src=\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/12\/Visuels-OR-Wordpress-cco-1-1024x307.png\" alt=\"Les poin\u00e7ons\" class=\"wp-image-5946\" srcset=\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/12\/Visuels-OR-Wordpress-cco-1-1024x307.png 1024w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/12\/Visuels-OR-Wordpress-cco-1-300x90.png 300w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/12\/Visuels-OR-Wordpress-cco-1-768x230.png 768w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/12\/Visuels-OR-Wordpress-cco-1.png 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p>Pour prot\u00e9ger consommateurs comme artisans, un syst\u00e8me de marquage a \u00e9t\u00e9 instaur\u00e9 depuis des si\u00e8cles : les <strong>poin\u00e7ons<\/strong>. Cette petite marque discr\u00e8te, obligatoire sur l\u2019or \u00e0 partir de 3 grammes est g\u00e9n\u00e9ralement recherch\u00e9e pour son gage d\u2019authenticit\u00e9. Mais \u00e0 quoi sert-il r\u00e9ellement ? Comment le reconna\u00eetre ? Pourquoi est-il essentiel ?<\/p>\n\n\n\n<p><a href=\"#DEFPOINCON\">1.Qu\u2019est-ce qu\u2019un poin\u00e7on ?<\/a><\/p>\n\n\n\n<ul>\n<li><a href=\"#PRINCIPAUX\">Les principaux types de poin\u00e7ons<\/a><\/li>\n\n\n\n<li><a href=\"#FRANCAIS\">Poin\u00e7ons fran\u00e7ais<\/a><\/li>\n<\/ul>\n\n\n\n<p>2. <a href=\"#CONVENTION\">La convention internationale sur les poin\u00e7ons de l\u2019or<\/a><\/p>\n\n\n\n<p>3.<a href=\"#IDENTIFIER\">Comment reconna\u00eetre le poin\u00e7on sur un bijou ?<\/a><\/p>\n\n\n\n<ul>\n<li><a href=\"#POINCONNAGE\">Quand et comment s\u2019effectue le poin\u00e7onnage&nbsp;?<\/a><\/li>\n<\/ul>\n\n\n\n<p>4.<a href=\"#VENTE\">Pourquoi est-il essentiel lors d&rsquo;une vente ?<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"DEFPOINCON\">Qu\u2019est-ce qu\u2019un poin\u00e7on ?<\/h2>\n\n\n\n<p>Un <strong>poin\u00e7on<\/strong> est une <strong>marque officielle frapp\u00e9e dans le m\u00e9tal d\u2019un bijou ou d\u2019un objet d\u2019orf\u00e8vrerie<\/strong>, destin\u00e9e \u00e0 transmettre des informations essentielles. Il certifie ainsi :<\/p>\n\n\n\n<ul>\n<li><strong>la teneur en or<\/strong> de l\u2019objet (exprim\u00e9e en carats ou en milli\u00e8mes),<\/li>\n\n\n\n<li><strong>l\u2019authenticit\u00e9 du m\u00e9tal<\/strong>,<\/li>\n\n\n\n<li>parfois <strong>l\u2019origine<\/strong> ou <strong>l\u2019artisan<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>Il joue donc un r\u00f4le central dans la tra\u00e7abilit\u00e9 et la protection contre la fraude.<\/p>\n\n\n\n<p class=\"has-background\" style=\"background:linear-gradient(135deg,rgb(238,201,100) 0%,rgb(222,188,138) 100%)\"><em><strong>Important \u00e0 savoir :  les poin\u00e7ons de l\u2019or ne sont pas les m\u00eames que ceux de l\u2019argent. Chaque m\u00e9tal pr\u00e9cieux poss\u00e8de ses propres symboles officiels pour \u00e9viter toute confusion.<\/strong><\/em><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"PRINCIPAUX\" style=\"font-size:28px\">Les principaux types de poin\u00e7ons<\/h2>\n\n\n\n<p>On distingue plusieurs types de poin\u00e7ons selon leur fonction et leur usage :<\/p>\n\n\n\n<p><strong>-Le poin\u00e7on de titre :<\/strong> Il indique la puret\u00e9 du m\u00e9tal, c\u2019est-\u00e0-dire la proportion de m\u00e9tal pr\u00e9cieux contenue dans l\u2019objet.<br>Exemples :<\/p>\n\n\n\n<ul>\n<li>Or 18 carats = 750 \u2030 (75 % d\u2019or pur)<\/li>\n\n\n\n<li>Argent massif = 925 \u2030 (92,5 % d\u2019argent pur)<\/li>\n\n\n\n<li>Platine = 950 \u2030 (95 % de platine pur)<\/li>\n<\/ul>\n\n\n\n<p><strong>-Le poin\u00e7on de ma\u00eetre ou poin\u00e7on d\u2019orf\u00e8vre<\/strong> : Le premier poin\u00e7on pr\u00e9sent sur un bijou est le&nbsp;<strong>poin\u00e7on de responsabilit\u00e9<\/strong>, souvent appel\u00e9&nbsp;<strong>poin\u00e7on de ma\u00eetre<\/strong>. Il s\u2019agit de la marque d\u00e9pos\u00e9e par l\u2019artisan bijoutier-joaillier qui fabrique le bijou. Il prend la forme d\u2019un losange compl\u00e9t\u00e9 de ses initiales et lui sert de signature. Ce poin\u00e7on atteste \u00e9galement d\u2019un certain niveau de garantie.<\/p>\n\n\n\n<p><strong>-Le poin\u00e7on d&rsquo;\u00c9tat ou de garantie :<\/strong> C\u2019est une marque officielle appos\u00e9e par une administration (<a href=\"https:\/\/www.douane.gouv.fr\/sites\/default\/files\/uploads\/files\/2019-09\/garantie-metaux-france.pdf\"> le service des douanes<\/a> ) ou un organisme agr\u00e9\u00e9 (OCA), garantissant la conformit\u00e9 du titre du m\u00e9tal.<\/p>\n\n\n\n<p><strong>-Le poin\u00e7on d\u2019importation : <\/strong>Il s&rsquo;applique  sur des objets import\u00e9s afin de confirmer leur conformit\u00e9 aux normes du pays d\u2019accueil.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"FRANCAIS\" style=\"font-size:28px\">Poin\u00e7ons fran\u00e7ais<\/h2>\n\n\n\n<p>En France , le poin\u00e7on est obligatoire  pour tous les objets pr\u00e9cieux en or, en argent et en platine de plus de 3 grammes. Ils doivent obligatoirement \u00eatre marqu\u00e9s de trois poin\u00e7ons : le <strong>poin\u00e7on de maitre<\/strong>, le <strong>poin\u00e7on de responsabilit\u00e9<\/strong> et le<strong> poin\u00e7on de garantie<\/strong>.<\/p>\n\n\n\n<p>En France, l\u2019or est identifi\u00e9 par <strong>un symbole officiel<\/strong> (et non un simple chiffre comme 750 ou 18k). Chacun de ces symboles correspond \u00e0 une teneur pr\u00e9cise en m\u00e9tal pr\u00e9cieux.<\/p>\n\n\n\n<p>Important \u00e0 savoir : <\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1465\" height=\"586\" src=\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/12\/Capture-de\u0301cran-2025-12-05-a\u0300-13.08.43.png\" alt=\"Les poin\u00e7ons Fran\u00e7ais de l'argent\" class=\"wp-image-5977\" style=\"width:787px;height:auto\" srcset=\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/12\/Capture-de\u0301cran-2025-12-05-a\u0300-13.08.43.png 1465w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/12\/Capture-de\u0301cran-2025-12-05-a\u0300-13.08.43-300x120.png 300w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/12\/Capture-de\u0301cran-2025-12-05-a\u0300-13.08.43-1024x410.png 1024w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/12\/Capture-de\u0301cran-2025-12-05-a\u0300-13.08.43-768x307.png 768w\" sizes=\"(max-width: 1465px) 100vw, 1465px\" \/><\/figure>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1201\" height=\"478\" src=\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/12\/Capture-de\u0301cran-2025-12-04-a\u0300-16.41.08.png\" alt=\"Les poin\u00e7ons Fran\u00e7ais de l'or\" class=\"wp-image-5973\" srcset=\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/12\/Capture-de\u0301cran-2025-12-04-a\u0300-16.41.08.png 1201w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/12\/Capture-de\u0301cran-2025-12-04-a\u0300-16.41.08-300x119.png 300w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/12\/Capture-de\u0301cran-2025-12-04-a\u0300-16.41.08-1024x408.png 1024w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/12\/Capture-de\u0301cran-2025-12-04-a\u0300-16.41.08-768x306.png 768w\" sizes=\"(max-width: 1201px) 100vw, 1201px\" \/><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"CONVENTION\">La convention internationale sur les poin\u00e7ons de l\u2019or<\/h2>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"317\" height=\"232\" src=\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/12\/Capture-de\u0301cran-2025-12-03-a\u0300-11.45.11.png\" alt=\"\" class=\"wp-image-5918\" style=\"width:188px;height:auto\" srcset=\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/12\/Capture-de\u0301cran-2025-12-03-a\u0300-11.45.11.png 317w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/12\/Capture-de\u0301cran-2025-12-03-a\u0300-11.45.11-300x220.png 300w\" sizes=\"(max-width: 317px) 100vw, 317px\" \/><\/figure><\/div>\n\n\n<p>Une <strong>convention internationale<\/strong> encadre l\u2019utilisation des poin\u00e7ons pour les m\u00e9taux pr\u00e9cieux dans plusieurs pays : il s\u2019agit de la <strong>Convention de Vienne sur le contr\u00f4le et le poin\u00e7onnage des ouvrages en m\u00e9taux pr\u00e9cieux<\/strong>, sign\u00e9e en 1972. \u00c0 noter que la France elle, ne l\u2019a pas fait, et utilise donc des poin\u00e7ons sp\u00e9cifiques.<\/p>\n\n\n\n<p>Cette convention a pour objectif de <strong>faciliter le commerce international<\/strong> des bijoux et des objets en or, tout en garantissant leur authenticit\u00e9 et leur titre. Les poin\u00e7ons or internationaux indiquent dans un losange, la puret\u00e9 de l\u2019or en chiffre, tout simplement.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"IDENTIFIER\">Comment reconna\u00eetre le poin\u00e7on sur un bijou ?<\/h2>\n\n\n\n<p>Le poin\u00e7on d\u2019un bijou se trouve g\u00e9n\u00e9ralement sur une partie discr\u00e8te : \u00e0 l\u2019int\u00e9rieur d\u2019une bague, sur le fermoir d\u2019un collier ou d\u2019un bracelet, sur la tige ou le fermoir d\u2019une boucle d\u2019oreille, ou sur le bo\u00eetier d\u2019une montre. Il est tr\u00e8s petit et n\u00e9cessite souvent une loupe pour \u00eatre vu. Il indique le titre de l\u2019or (ex. t\u00eate d\u2019aigle = 18 carats). S\u2019il n\u2019y a pas de poin\u00e7on, le bijou peut \u00eatre tr\u00e8s l\u00e9ger, plaqu\u00e9, ancien ou venir d\u2019un pays sans obligation de marquage.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"POINCONNAGE\" style=\"font-size:22px\">Quand et comment s\u2019effectue le poin\u00e7onnage&nbsp;?<\/h2>\n\n\n\n<p>Il se r\u00e9alise lors de la fabrication du bijou ou lors de son entr\u00e9e en France. Le <strong>poin\u00e7onnage<\/strong> consiste \u00e0 faire contr\u00f4ler un bijou en m\u00e9tal pr\u00e9cieux pour v\u00e9rifier sa puret\u00e9 (ex. or 18 carats). S\u2019il est conforme, un <strong>organisme agr\u00e9\u00e9<\/strong> appose alors un <strong>poin\u00e7on officiel<\/strong> par pression ou au laser. Ce marquage certifie la teneur en m\u00e9tal et permet au bijou d\u2019\u00eatre vendu l\u00e9galement et en toute confiance.<\/p>\n\n\n\n<p>En France, ces poin\u00e7ons sont :<\/p>\n\n\n\n<p>-Officiels<\/p>\n\n\n\n<p>-Appos\u00e9s par la Douane ou un organisme agr\u00e9e<\/p>\n\n\n\n<p>-Obligatoire \u00e0 partir de 3 grammes d&rsquo;or<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"VENTE\">Pourquoi est-il essentiel quand vous vendez votre bijou  ?<\/h2>\n\n\n\n<p>Le poin\u00e7on est essentiel lors d&rsquo;une vente de m\u00e9taux pr\u00e9cieux car il d\u00e9terminera son prix. L\u2019expert que vous rencontrerez proc\u00e9dera sans aucun doute \u00e0 leur analyse et notamment, \u00e0 la recherche de leur poin\u00e7on.<\/p>\n\n\n\n<p>Lors de <a href=\"https:\/\/blog.ccopera.com\/metaux\/vendre-ses-bijoux-en-or-5381\">votre vente<\/a>, l\u2019expert <strong>rep\u00e8re le poin\u00e7on<\/strong>, identifie <strong>le symbole et le titre du m\u00e9tal<\/strong>, v\u00e9rifie <strong>son authenticit\u00e9<\/strong>, puis p\u00e8se le bijou. Si n\u00e9cessaire, il r\u00e9alise des <strong>tests compl\u00e9mentaires<\/strong> (acide, test \u00e9lectronique, analyse XRF). Ces \u00e9l\u00e9ments lui permettent <strong>d\u2019estimer la valeur<\/strong> du bijou en toute fiabilit\u00e9.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Vous <a href=\"https:\/\/www.ccopera.com\/metaux-precieux\/rachat\/or\/prix.html\">d\u00e9tenez des bijoux en or <\/a>? Notre agence <a href=\"https:\/\/www.ccopera.com\/devises\/cco-agences.html\">Scribe<\/a> peut r\u00e9aliser une expertise sans rendez-vous et vous donner un devis. <\/p>\n\n\n\n<p>Si vous ne pouvez pas vous d\u00e9placer, sachez que nous avons cr\u00e9\u00e9 un service pour le rachat de bijou \u00e0 distance : <a href=\"http:\/\/kolidor.fr\">Kolidor.fr<\/a><\/p>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/12\/agence-scribe-1-768x1024.jpg\" alt=\"\" class=\"wp-image-5979 size-full\" srcset=\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/12\/agence-scribe-1-768x1024.jpg 768w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/12\/agence-scribe-1-225x300.jpg 225w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/12\/agence-scribe-1.jpg 960w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p>Rendez-vous <a href=\"https:\/\/maps.app.goo.gl\/Qp9yrfmXtKiiurJQ9\">9 rue Scribe<\/a> &#8211; 75 009 Paris <\/p>\n\n\n\n<p><\/p>\n<\/div><\/div>\n\n\n\n<ul class=\"wp-block-social-links is-layout-flex wp-block-social-links-is-layout-flex\"><li class=\"wp-social-link wp-social-link-instagram  wp-block-social-link\"><a href=\"https:\/\/www.instagram.com\/ccoperametaux\/\" class=\"wp-block-social-link-anchor\"><svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M12,4.622c2.403,0,2.688,0.009,3.637,0.052c0.877,0.04,1.354,0.187,1.671,0.31c0.42,0.163,0.72,0.358,1.035,0.673 c0.315,0.315,0.51,0.615,0.673,1.035c0.123,0.317,0.27,0.794,0.31,1.671c0.043,0.949,0.052,1.234,0.052,3.637 s-0.009,2.688-0.052,3.637c-0.04,0.877-0.187,1.354-0.31,1.671c-0.163,0.42-0.358,0.72-0.673,1.035 c-0.315,0.315-0.615,0.51-1.035,0.673c-0.317,0.123-0.794,0.27-1.671,0.31c-0.949,0.043-1.233,0.052-3.637,0.052 s-2.688-0.009-3.637-0.052c-0.877-0.04-1.354-0.187-1.671-0.31c-0.42-0.163-0.72-0.358-1.035-0.673 c-0.315-0.315-0.51-0.615-0.673-1.035c-0.123-0.317-0.27-0.794-0.31-1.671C4.631,14.688,4.622,14.403,4.622,12 s0.009-2.688,0.052-3.637c0.04-0.877,0.187-1.354,0.31-1.671c0.163-0.42,0.358-0.72,0.673-1.035 c0.315-0.315,0.615-0.51,1.035-0.673c0.317-0.123,0.794-0.27,1.671-0.31C9.312,4.631,9.597,4.622,12,4.622 M12,3 C9.556,3,9.249,3.01,8.289,3.054C7.331,3.098,6.677,3.25,6.105,3.472C5.513,3.702,5.011,4.01,4.511,4.511 c-0.5,0.5-0.808,1.002-1.038,1.594C3.25,6.677,3.098,7.331,3.054,8.289C3.01,9.249,3,9.556,3,12c0,2.444,0.01,2.751,0.054,3.711 c0.044,0.958,0.196,1.612,0.418,2.185c0.23,0.592,0.538,1.094,1.038,1.594c0.5,0.5,1.002,0.808,1.594,1.038 c0.572,0.222,1.227,0.375,2.185,0.418C9.249,20.99,9.556,21,12,21s2.751-0.01,3.711-0.054c0.958-0.044,1.612-0.196,2.185-0.418 c0.592-0.23,1.094-0.538,1.594-1.038c0.5-0.5,0.808-1.002,1.038-1.594c0.222-0.572,0.375-1.227,0.418-2.185 C20.99,14.751,21,14.444,21,12s-0.01-2.751-0.054-3.711c-0.044-0.958-0.196-1.612-0.418-2.185c-0.23-0.592-0.538-1.094-1.038-1.594 c-0.5-0.5-1.002-0.808-1.594-1.038c-0.572-0.222-1.227-0.375-2.185-0.418C14.751,3.01,14.444,3,12,3L12,3z M12,7.378 c-2.552,0-4.622,2.069-4.622,4.622S9.448,16.622,12,16.622s4.622-2.069,4.622-4.622S14.552,7.378,12,7.378z M12,15 c-1.657,0-3-1.343-3-3s1.343-3,3-3s3,1.343,3,3S13.657,15,12,15z M16.804,6.116c-0.596,0-1.08,0.484-1.08,1.08 s0.484,1.08,1.08,1.08c0.596,0,1.08-0.484,1.08-1.08S17.401,6.116,16.804,6.116z\"><\/path><\/svg><span class=\"wp-block-social-link-label screen-reader-text\">Instagram<\/span><\/a><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Pour prot\u00e9ger consommateurs comme artisans, un syst\u00e8me de marquage a \u00e9t\u00e9 instaur\u00e9 depuis des si\u00e8cles : les poin\u00e7ons. Cette petite marque discr\u00e8te, obligatoire sur l\u2019or \u00e0 partir de 3 grammes est g\u00e9n\u00e9ralement recherch\u00e9e pour son gage d\u2019authenticit\u00e9. Mais \u00e0 quoi sert-il r\u00e9ellement ? Comment le reconna\u00eetre ? Pourquoi est-il essentiel ? 1.Qu\u2019est-ce qu\u2019un poin\u00e7on ? [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":5973,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[136,134,132,138],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Les Poin\u00e7ons - Blog m\u00e9taux<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.ccopera.com\/metaux\/les-poincons-5913\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Les Poin\u00e7ons - Blog m\u00e9taux\" \/>\n<meta property=\"og:description\" content=\"Pour prot\u00e9ger consommateurs comme artisans, un syst\u00e8me de marquage a \u00e9t\u00e9 instaur\u00e9 depuis des si\u00e8cles : les poin\u00e7ons. 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