{"id":5894,"date":"2025-11-07T14:09:03","date_gmt":"2025-11-07T14:09:03","guid":{"rendered":"https:\/\/blog.ccopera.com\/metaux\/?p=5894"},"modified":"2026-03-25T09:46:31","modified_gmt":"2026-03-25T09:46:31","slug":"la-20-franc-union-latine","status":"publish","type":"post","link":"https:\/\/blog.ccopera.com\/metaux\/la-20-franc-union-latine-5894","title":{"rendered":"La 20 franc Union Latine : valeur, prix et int\u00e9r\u00eat pour investir"},"content":{"rendered":"\n<p>Le XIXe si\u00e8cle fut impact\u00e9 par de nombreuses innovations partout dans le monde et plus particuli\u00e8rement en Europe, qui s\u2019est vue boulevers\u00e9e et soumise \u00e0 de perp\u00e9tuels changements. Mais peu de gens savent que le XIXe si\u00e8cle a \u00e9galement marqu\u00e9 l\u2019av\u00e8nement de la premi\u00e8re forme de coop\u00e9ration europ\u00e9\u00e8nne mon\u00e9taire : l\u2019Union latine. A travers cet article, vous en d\u00e9couvrirez davantage sur cette pi\u00e8ce de 20 franc or.<\/p>\n\n\n<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\/11\/union-fait-la-force-1024x307.png\" alt=\"La 20 franc Union Latine : l'Union fait la force\" class=\"wp-image-5908\" srcset=\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/11\/union-fait-la-force-1024x307.png 1024w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/11\/union-fait-la-force-300x90.png 300w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/11\/union-fait-la-force-768x230.png 768w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/11\/union-fait-la-force.png 1500w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\">Histoire de la 20 Franc Union Latine<\/h2>\n\n\n\n<p>En d\u00e9cembre<a href=\"https:\/\/blog.ccopera.com\/metaux\/2022-02-07-actualite-des-marches-et-piece-de-20-francs-union-latine-3950\"> 1865<\/a> na\u00eet officiellement l\u2019Union mon\u00e9taire latine. L\u2019Union latine voit le jour \u00e0 travers la signature de plusieurs Etats : la France, la Belgique, la Suisse, le Luxembourg et l\u2019Italie. Le but de cette association est d\u2019uniformiser et de faciliter la circulation de l\u2019or \u00e0 travers les Etats membres du groupe. <\/p>\n\n\n\n<p>Toutes les pi\u00e8ces devaient avoir :<\/p>\n\n\n\n<ul>\n<li><strong>Le m\u00eame poids et le m\u00eame titre<\/strong>&nbsp;(puret\u00e9 du m\u00e9tal),<\/li>\n\n\n\n<li>Des&nbsp;<strong>valeurs faciales identiques<\/strong>&nbsp;(5, 10, 20, 50, 100),<\/li>\n\n\n\n<li>Une&nbsp;<strong>convertibilit\u00e9 r\u00e9ciproque<\/strong>&nbsp;: un 20 francs fran\u00e7ais valait un 20 lire italien ou un 20 francs suisses.<\/li>\n<\/ul>\n\n\n\n<p>Plus tard, et jusqu\u2019\u00e0 la fin du XIXe si\u00e8cle, ce seront d\u2019autres signataires tels que la Gr\u00e8ce, l\u2019Autriche-Hongrie, la Russie ou encore m\u00eame la Tunisie et le Br\u00e9sil qui rejoindront l\u2019union latine. D\u00e8s lors, et tout en s\u2019inspirant de la pi\u00e8ce d\u2019or de <a href=\"https:\/\/www.ccopera.com\/metaux-precieux\/or-de-bourse\/pieces\/14-20-frs-napoleon.html\">20 francs Napol\u00e9on<\/a>, une bonne partie des Etats-membres va se d\u00e9cider \u00e0 frapper \u00e0 leur tour des pi\u00e8ces. Chaque Etat va arborer sur sa pi\u00e8ce, sa figure monarchique en fonction, et toutes doivent respecter les m\u00eames caract\u00e9ristiques que la pi\u00e8ce d\u2019or 20 francs Napol\u00e9on. Un poids et un diam\u00e8tre respectivement de 6,45 grammes et 21 millim\u00e8tres, et surtout une puret\u00e9 de 900\u2030.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"536\" src=\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/11\/or_napoleon_1-1024x536.jpg\" alt=\"Le 20 franc Napol\u00e9on\" class=\"wp-image-5899\" style=\"width:558px;height:auto\" srcset=\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/11\/or_napoleon_1-1024x536.jpg 1024w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/11\/or_napoleon_1-300x157.jpg 300w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/11\/or_napoleon_1-768x402.jpg 768w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/11\/or_napoleon_1.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<h2 class=\"wp-block-heading\">Caract\u00e9ristiques de la 20 Franc Union Latine<\/h2>\n\n\n\n<p>Comme indiqu\u00e9 pr\u00e9c\u00e9demment, la pi\u00e8ce fut \u00e9mise dans plusieurs pays, tous ayant leur propre identit\u00e9 et leurs codes nationaux.&nbsp;<\/p>\n\n\n\n<p><strong>Recto <\/strong>: Sur l\u2019avers de la pi\u00e8ce, les rois et empereurs \u00e9taient mis \u00e0 l\u2019honneur. Sur la pi\u00e8ce belge par exemple, L\u00e9opold Ier, roi des Belges, puis L\u00e9opold II se sont succ\u00e9d\u00e9. En Italie, Victor-Emmanuel II (ancien roi d\u2019Italie) puis Humbert I ont pu voir leur portrait frapp\u00e9 sur la pi\u00e8ce.&nbsp;On retrouveles portraits de Fran\u00e7ois-Joseph, Albert 1er, L\u00e9opold 1er, Umberto 1er, Vittorio Emanuele II, Charles-F\u00e9lix, Napol\u00e9on 3\u2026&nbsp;On peut enfin voir la date de frappe au bas du nom du souverain repr\u00e9sent\u00e9 sur la pi\u00e8ce.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"492\" data-id=\"5904\" src=\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/11\/union-latine-2.jpg\" alt=\"\" class=\"wp-image-5904\" srcset=\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/11\/union-latine-2.jpg 750w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/11\/union-latine-2-300x197.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"469\" data-id=\"5905\" src=\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/11\/union-latine-3.jpg\" alt=\"\" class=\"wp-image-5905\" srcset=\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/11\/union-latine-3.jpg 750w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/11\/union-latine-3-300x188.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"475\" data-id=\"5906\" src=\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/11\/union-latine-4.jpg\" alt=\"La 20 franc Union Latine\" class=\"wp-image-5906\" srcset=\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/11\/union-latine-4.jpg 750w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/11\/union-latine-4-300x190.jpg 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n<\/figure>\n\n\n\n<p><strong>Verso<\/strong> : Sur la plupart des pi\u00e8ces de l\u2019union latine y sont appos\u00e9s les embl\u00e8mes royaux et devises des diff\u00e9rents \u00c9tats de l\u2019union, comme par exemple la devise \u201cLibert\u00e9, \u00e9galit\u00e9, fraternit\u00e9\u201d pour la pi\u00e8ce fran\u00e7aise ou encore \u201cL\u2019union fait la force\u201d pour la pi\u00e8ce belge.<\/p>\n\n\n\n<p><strong>Caract\u00e9ristiques <\/strong><\/p>\n\n\n\n<p>Poids de la pi\u00e8ce : 6,45 gr<\/p>\n\n\n\n<p>Diam\u00e8tre : 21 mm<\/p>\n\n\n\n<p>Frappe : De 1816 \u00e0 1923<\/p>\n\n\n\n<p>5,806 g d\u2019or fin dans cette pi\u00e8ce<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vers l&rsquo;euro<\/h2>\n\n\n\n<p>Les pi\u00e8ces de 20 francs en or n&rsquo;\u00e9taient pas seulement des instruments d&rsquo;\u00e9changes commerciaux. Elles \u00e9taient des monnaies de circulation courante dans la vie quotidienne des citoyens. <\/p>\n\n\n\n<p>C&rsquo;\u00e9tait une&nbsp;monnaie europ\u00e9enne avant l\u2019heure ! Tout naturellement, l&rsquo;Union latine a finalement d\u00e9clin\u00e9 au d\u00e9but du 20e si\u00e8cle. <\/p>\n\n\n\n<p>L\u2019Union latine est officiellement&nbsp;dissoute en 1927, m\u00eame si la convertibilit\u00e9 avait cess\u00e9 d\u00e8s la Premi\u00e8re Guerre mondiale. Beaucoup de ses membres ont opt\u00e9 pour l&rsquo;adoption de l&rsquo;euro en tant que monnaie unique. Cela a mis fin \u00e0 l&rsquo;utilisation des francs et lires en or \u00e9mis par les membres de l&rsquo;Union latine, mais ces pi\u00e8ces ont laiss\u00e9 un h\u00e9ritage important dans l&rsquo;histoire mon\u00e9taire europ\u00e9enne.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Des pi\u00e8ces d&rsquo;investissement<\/h2>\n\n\n\n<p>Aujourd\u2019hui, la pi\u00e8ce de&nbsp;<strong>20 francs or \u201cUnion latine\u201d<\/strong>&nbsp;est une des pi\u00e8ces d&rsquo;investissement les plus recherch\u00e9es. Sa valeur a augment\u00e9 en m\u00eame temps que le prix de l&rsquo;or bien \u00e9videmment. Si l&rsquo;on prend l&rsquo;exemple de la 20 franc Union Latine, vous pouvez constater sa hausse tr\u00e8s importante de son cours.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"695\" src=\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/11\/union-latine-depuis-2010-1024x695.png\" alt=\"Graphique du cours de l'union latine\" class=\"wp-image-5900\" srcset=\"https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/11\/union-latine-depuis-2010-1024x695.png 1024w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/11\/union-latine-depuis-2010-300x204.png 300w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/11\/union-latine-depuis-2010-768x521.png 768w, https:\/\/blog.ccopera.com\/metaux\/wp-content\/uploads\/sites\/5\/2025\/11\/union-latine-depuis-2010.png 1302w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p>Retrouvez les graphiques de toutes nos pi\u00e8ces d&rsquo;or<a href=\"https:\/\/www.ccopera.com\/metaux-precieux\/graphique.html\"> ici <\/a>!<\/p>\n\n\n\n<p>En r\u00e9sum\u00e9, la pi\u00e8ce de 20 francs or Union latine illustre \u00e0 la fois l\u2019histoire mon\u00e9taire europ\u00e9enne et l\u2019esprit de coop\u00e9ration entre les \u00c9tats du XIXe si\u00e8cle. Au-del\u00e0 de sa valeur mat\u00e9rielle, elle symbolise une tentative pionni\u00e8re d\u2019unification \u00e9conomique, pr\u00e9figurant les syst\u00e8mes mon\u00e9taires modernes tels que l\u2019euro. Aujourd\u2019hui encore, ces pi\u00e8ces t\u00e9moignent d\u2019un patrimoine historique riche et continuent de s\u00e9duire collectionneurs et investisseurs par leur beaut\u00e9, leur authenticit\u00e9 et leur valeur en or.<\/p>\n\n\n\n<p class=\"has-white-color has-vivid-cyan-blue-to-vivid-purple-gradient-background has-text-color has-background has-link-color wp-elements-97901215bcbe0fc89c2e9064ebe46b9f\"><em>Vous souhaitez<a href=\"https:\/\/www.ccopera.com\/metaux-precieux\/argent-metal-comment-acheter.html\"> investir<\/a> dans des pi\u00e8ces d&rsquo;or ? contactez notre service Clients au 01 47 42 20 96<\/em><\/p>\n\n\n\n<p class=\"has-black-color has-text-color has-background has-link-color wp-elements-4e1344ecb9313ac3978ac8f966f66381\" style=\"background:linear-gradient(135deg,rgb(240,229,17) 0%,rgb(179,172,38) 98%)\"><em>Au 25 mars 2026, pour investir dans une <a href=\"https:\/\/www.ccopera.com\/metaux-precieux\/index.php?m=orDeBourse&amp;c=CtrPieces&amp;a=doDetail&amp;item_id=16&amp;quantite=1\">20 franc Union Latine<\/a>, il vous faut 785 euros<\/em>.<a href=\"https:\/\/youtu.be\/Ks95S2HH0rQ\"><\/a><\/p>\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>Le XIXe si\u00e8cle fut impact\u00e9 par de nombreuses innovations partout dans le monde et plus particuli\u00e8rement en Europe, qui s\u2019est vue boulevers\u00e9e et soumise \u00e0 de perp\u00e9tuels changements. Mais peu de gens savent que le XIXe si\u00e8cle a \u00e9galement marqu\u00e9 l\u2019av\u00e8nement de la premi\u00e8re forme de coop\u00e9ration europ\u00e9\u00e8nne mon\u00e9taire : l\u2019Union latine. A travers cet [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":5908,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24,20],"tags":[122,130,126,128,50,124],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>La 20 franc Union Latine : valeur, prix et int\u00e9r\u00eat pour investir - Blog m\u00e9taux<\/title>\n<meta name=\"description\" content=\"La 20 franc Union Latine : h\u00e9ritage historique et pi\u00e8ce d\u2019or recherch\u00e9e, alliant patrimoine europ\u00e9en et potentiel d\u2019investissement.\" \/>\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\/la-20-franc-union-latine-5894\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La 20 franc Union Latine : valeur, prix et int\u00e9r\u00eat pour investir - 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