{"product_id":"st-dupont-925-silver-fountain-pen","title":"Vintage 1970s S.T. Dupont Fountain Pen – Fully Hallmarked 925 Sterling Silver – Vertical Line Guilloché – Hallmarked 18K Solid White Gold Nib","description":"\u003ch2 data-start=\"136\" data-end=\"153\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"139\" data-end=\"151\"\u003eOverview\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"154\" data-end=\"419\"\u003eA refined early-production fountain pen from \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003eS.T. Dupont\u003c\/span\u003e\u003c\/span\u003e, dating to the 1970s. Crafted in \u003cstrong data-start=\"270\" data-end=\"350\"\u003esolid 925 sterling silver with full hallmarks across the cap, body, and base\u003c\/strong\u003e, and finished with the iconic \u003cstrong data-start=\"381\" data-end=\"416\"\u003evertical line guilloché pattern\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"421\" data-end=\"581\"\u003eFitted with a \u003cstrong data-start=\"435\" data-end=\"476\"\u003esolid 18K white gold nib (hallmarked)\u003c\/strong\u003e, this piece represents a pure expression of Dupont’s early metalwork—clean, architectural, and enduring.\u003c\/p\u003e\n\u003chr data-start=\"583\" data-end=\"586\"\u003e\n\u003ch2 data-start=\"588\" data-end=\"608\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"591\" data-end=\"606\"\u003eKey Details\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"609\" data-end=\"991\"\u003e• Brand: S.T. Dupont\u003cbr data-start=\"629\" data-end=\"632\"\u003e• Period: 1970s\u003cbr data-start=\"647\" data-end=\"650\"\u003e• Type: Fountain Pen\u003cbr data-start=\"670\" data-end=\"673\"\u003e• Material: \u003cstrong data-start=\"685\" data-end=\"733\"\u003eSolid 925 sterling silver (fully hallmarked)\u003c\/strong\u003e\u003cbr data-start=\"733\" data-end=\"736\"\u003e• Pattern: Vertical line guilloché\u003cbr data-start=\"770\" data-end=\"773\"\u003e• Nib: \u003cstrong data-start=\"780\" data-end=\"817\"\u003eSolid 18K white gold (hallmarked)\u003c\/strong\u003e\u003cbr data-start=\"817\" data-end=\"820\"\u003e• Filling System: Cartridge \/ Converter\u003cbr data-start=\"859\" data-end=\"862\"\u003e• Origin: France\u003cbr data-start=\"878\" data-end=\"881\"\u003e• Set: \u003cstrong data-start=\"854\" data-end=\"906\"\u003eFull set (original box, booklet, guarantee card)\u003c\/strong\u003e\u003cbr data-start=\"905\" data-end=\"908\"\u003e• Condition: Excellent vintage condition\u003cbr data-start=\"948\" data-end=\"951\"\u003e• Rarity: Early full-silver production\u003c\/p\u003e\n\u003chr data-start=\"993\" data-end=\"996\"\u003e\n\u003ch2 data-start=\"998\" data-end=\"1031\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1001\" data-end=\"1029\"\u003eHallmarks \u0026amp; Construction\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1032\" data-end=\"1144\"\u003eThis example features \u003cstrong data-start=\"1054\" data-end=\"1113\"\u003emultiple 925 hallmarks across all structural components\u003c\/strong\u003e:\u003cbr data-start=\"1114\" data-end=\"1117\"\u003e• Cap\u003cbr data-start=\"1122\" data-end=\"1125\"\u003e• Barrel\u003cbr data-start=\"1133\" data-end=\"1136\"\u003e• Base\u003c\/p\u003e\n\u003cp data-start=\"1146\" data-end=\"1274\"\u003eConfirming \u003cstrong data-start=\"1157\" data-end=\"1200\"\u003etrue solid sterling silver construction\u003c\/strong\u003e, not plated—an expensive method reserved for higher-end early production.\u003c\/p\u003e\n\u003chr data-start=\"1276\" data-end=\"1279\"\u003e\n\u003ch2 data-start=\"1281\" data-end=\"1305\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1284\" data-end=\"1303\"\u003eDesign \u0026amp; Finish\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1306\" data-end=\"1477\"\u003eThe body is executed in a \u003cstrong data-start=\"1332\" data-end=\"1377\"\u003eprecision vertical line guilloché pattern\u003c\/strong\u003e, creating:\u003cbr data-start=\"1388\" data-end=\"1391\"\u003e• Strong light reflection\u003cbr data-start=\"1416\" data-end=\"1419\"\u003e• Refined surface texture\u003cbr data-start=\"1444\" data-end=\"1447\"\u003e• Clean, architectural lines\u003c\/p\u003e\n\u003cp data-start=\"1479\" data-end=\"1590\"\u003eUnlike lacquer models, this is a \u003cstrong data-start=\"1512\" data-end=\"1536\"\u003epure metal execution\u003c\/strong\u003e, focused entirely on form, weight, and craftsmanship.\u003c\/p\u003e\n\u003chr data-start=\"1592\" data-end=\"1595\"\u003e\n\u003ch2 data-start=\"1597\" data-end=\"1631\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1600\" data-end=\"1629\"\u003eNib \u0026amp; Writing Performance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1632\" data-end=\"1764\"\u003e• Solid 18K white gold nib (hallmarked)\u003cbr data-start=\"1671\" data-end=\"1674\"\u003e• Precision engraving\u003cbr data-start=\"1695\" data-end=\"1698\"\u003e• Smooth, controlled ink flow\u003cbr data-start=\"1727\" data-end=\"1730\"\u003e• Reliable long-term performance\u003c\/p\u003e\n\u003chr data-start=\"1766\" data-end=\"1769\"\u003e\n\u003ch2 data-start=\"1771\" data-end=\"1789\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1774\" data-end=\"1787\"\u003eMechanism\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1790\" data-end=\"1951\"\u003e• \u003cstrong data-start=\"1792\" data-end=\"1825\"\u003eSnap-cap system (no twisting)\u003c\/strong\u003e\u003cbr data-start=\"1825\" data-end=\"1828\"\u003e• Direct pull-off cap\u003cbr data-start=\"1849\" data-end=\"1852\"\u003e• Internal section removable via threading\u003cbr data-start=\"1894\" data-end=\"1897\"\u003e• Substantial weight due to full silver construction\u003c\/p\u003e\n\u003chr data-start=\"1953\" data-end=\"1956\"\u003e\n\u003ch2 data-start=\"1958\" data-end=\"1982\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1961\" data-end=\"1980\"\u003eCollector Notes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"1983\" data-end=\"2190\"\u003eThis model represents a more understated but highly desirable category of Dupont production:\u003cbr data-start=\"2075\" data-end=\"2078\"\u003e• Full \u003cstrong data-start=\"2085\" data-end=\"2118\"\u003e925 solid silver construction\u003c\/strong\u003e\u003cbr data-start=\"2118\" data-end=\"2121\"\u003e• Classic \u003cstrong data-start=\"2131\" data-end=\"2154\"\u003eguilloché metalwork\u003c\/strong\u003e\u003cbr data-start=\"2154\" data-end=\"2157\"\u003e• \u003cstrong data-start=\"2159\" data-end=\"2188\"\u003eHallmarked solid gold nib\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2192\" data-end=\"2322\"\u003eParticularly suited for collectors who prioritize \u003cstrong data-start=\"2242\" data-end=\"2288\"\u003ematerial integrity and metal craftsmanship\u003c\/strong\u003e over decorative lacquer finishes.\u003c\/p\u003e\n\u003chr data-start=\"2324\" data-end=\"2327\"\u003e\n\u003ch2 data-start=\"2329\" data-end=\"2347\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2332\" data-end=\"2345\"\u003eCondition\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2348\" data-end=\"2504\"\u003eExcellent vintage condition.\u003cbr data-start=\"2376\" data-end=\"2379\"\u003eSharp guilloché lines, clean structure, and clearly visible hallmarks.\u003cbr data-start=\"2449\" data-end=\"2452\"\u003eMinor signs of careful handling consistent with age.\u003c\/p\u003e\n\u003chr data-start=\"2506\" data-end=\"2509\"\u003e\n\u003ch2 data-start=\"2511\" data-end=\"2529\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2514\" data-end=\"2527\"\u003eGuarantee\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2530\" data-end=\"2684\"\u003e\u003cstrong data-start=\"2530\" data-end=\"2570\"\u003e24-month working guarantee included.\u003c\/strong\u003e\u003cbr data-start=\"2570\" data-end=\"2573\"\u003eCovers mechanical functionality under normal use.\u003cbr data-start=\"2622\" data-end=\"2625\"\u003eExcludes damage from misuse, impact, or incorrect handling.\u003c\/p\u003e","brand":"St Dupont","offers":[{"title":"Default Title","offer_id":49885015343450,"sku":"LP24-001","price":700.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0773\/6544\/4954\/files\/DSC07697-2.jpg?v=1731329133","url":"https:\/\/421luxury.com\/de\/products\/st-dupont-925-silver-fountain-pen","provider":"421Luxury","version":"1.0","type":"link"}