{"id":73722,"date":"2026-02-05T14:00:21","date_gmt":"2026-02-05T13:00:21","guid":{"rendered":"https:\/\/thomasnumismatics.com\/acheter\/uncategorized\/france-steel-trial-5-centimes-marianne-1966\/"},"modified":"2026-02-05T14:00:21","modified_gmt":"2026-02-05T13:00:21","slug":"france-steel-trial-5-centimes-marianne-1966","status":"publish","type":"product","link":"https:\/\/thomasnumismatics.com\/en\/shop\/coins\/french-modern-coins\/france-steel-trial-5-centimes-marianne-1966\/","title":{"rendered":"France \u2013 Steel Trial \u2013 5 Centimes Marianne \u2013 1966"},"content":{"rendered":"<p class=\"p1\">Stainless steel proof of exceptional rarity, preserved in splendid mint state condition. Full retention of its original luster.<\/p>\n<p class=\"p1\">References: GEM 22.10<\/p>\n<p class=\"p1\">Engravers: Lagriffoul \/ Dieudonn\u00e9. Mint strike. Plain edge.<\/p>\n<p class=\"p3\"><span class=\"s1\">According to the book <\/span><b>\u201cEssais mon\u00e9taires et pi\u00e9forts Fran\u00e7ais\u201d<\/b><span class=\"s1\">:<\/span><\/p>\n<p class=\"p1\">Trial without the word \u201cESSAI.\u201d The diameter is slightly smaller than the standard reference diameter of 17 mm, while the weight is slightly heavier. The date corresponds to that of the trial issue. This Trial was recorded by G\u00e9rard Petit, who in 1973 described it as unique. To date, only two examples are known. One example was sold at the VSO XXIII (CGB) auction, lot 2108, graded SPL 63, and realized \u20ac5,300 against an estimate of \u20ac6,215. The second example is held in a private collection.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Steel Trial &#8211; 5 centimes Marianne &#8211; 1966<\/p>\n","protected":false},"featured_media":73715,"template":"","meta":{"_acf_changed":false},"product_cat":[2187,761,1322],"product_tag":[],"class_list":{"0":"post-73722","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-coins","7":"product_cat-french-modern-coins","8":"product_cat-fifth-republic","10":"first","11":"instock","12":"taxable","13":"shipping-taxable","14":"purchasable","15":"product-type-simple"},"acf":[],"yoast_head":"<title>France \u2013 Steel Trial \u2013 5 Centimes Marianne \u2013 1966 - Thomas Numismatics<\/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:\/\/thomasnumismatics.com\/en\/shop\/coins\/french-modern-coins\/france-steel-trial-5-centimes-marianne-1966\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"France \u2013 Steel Trial \u2013 5 Centimes Marianne \u2013 1966 - 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