{"product_id":"jackson-precious-metals-jpm-5-oz-999-fine-silver-hand-poured-loaf-bar-jackson-county-ohio-1974-1985","title":"Jackson Precious Metals (JPM) 5 oz .999 Fine Silver Hand-Poured Loaf Bar — Jackson County, Ohio, 1974–1985","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eBefore OPM, there was JPM\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eA 5 ounce hand-poured loaf bar from \u003cstrong\u003eJackson Precious Metals\u003c\/strong\u003e, the Ohio refinery founded in \u003cstrong\u003e1974 by Walter Luhrman\u003c\/strong\u003e and operated out of \u003cstrong\u003eJackson County, Ohio\u003c\/strong\u003e until 1985. The obverse carries JPM's signature flowing-script hallmark, with \u003cstrong\u003e5 OZ.\u003c\/strong\u003e and \u003cstrong\u003e.999 FINE\u003c\/strong\u003e stamped beneath in clean serifed characters. The bar shows the chunky, rounded loaf profile and brushed top finish that JPM became known for — a mold widely used in the era, including for private-label work JPM did for local Ohio coin shops.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eWhat makes JPM distinct among vintage refiners is that, unlike most of its contemporaries, the company \u003cstrong\u003edidn't disappear during the Great Melt\u003c\/strong\u003e. Luhrman reorganized the operation into \u003cstrong\u003eOhio Precious Metals (OPM)\u003c\/strong\u003e, which continues to refine gold and silver bullion today as a subsidiary of Elemetal LLC. JPM also produced bars under the \u003cstrong\u003eBajack, Bache, and Prudential\u003c\/strong\u003e brand names during its eleven-year run.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThis particular example has been \u003cstrong\u003eauthenticated with the Sigma Metalytics PMV Pro\u003c\/strong\u003e and carries the hand-finished character that vintage pour collectors look for: a softly brushed obverse, naturally rolled edges, a sandcast-textured reverse with light age toning, and the irregular profile that only comes from a small-shop pour.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eJPM bars are classified by collector reference VintagePouredBar.com as \u003cstrong\u003e\"very collectable, but not uncommon\"\u003c\/strong\u003e — a designation that puts them in the sweet spot for new vintage collectors: a real piece of 1970s American refining history without the price ceiling of the rarest unicorns.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eRefiner: Jackson Precious Metals (JPM), 1974–1985\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFounder: Walter Luhrman\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eLocation: Jackson County, Ohio\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eWeight: 5 Troy Ounces\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003ePurity: .999 Fine Silver\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eHallmark: JPM in flowing script\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eFormat: Hand-poured loaf\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAuthentication: Sigma Metalytics PMV Pro — pass\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCondition: Vintage, light circulation toning consistent with 40+ years of age\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Secondary Market","offers":[{"title":"Default Title","offer_id":53775070822764,"sku":null,"price":595.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0983\/4043\/8380\/files\/JPM-5ozt-silver-bar.jpg?v=1779077484","url":"https:\/\/www.three999sfine.com\/products\/jackson-precious-metals-jpm-5-oz-999-fine-silver-hand-poured-loaf-bar-jackson-county-ohio-1974-1985","provider":"Three999sFine.com","version":"1.0","type":"link"}