{"product_id":"1989-us-mint-proof-set-bu-coins-with-original-mint-packaging-256","title":"1989 US Mint Proof Set BU Coins with Original Mint Packaging  #256","description":"\u003cp\u003eThe 1989 US Mint Proof Set represents a pivotal year in American numismatic history, offering collectors a complete suite of coins struck to exacting standards. This set includes all denominations from the Philadelphia and West Point mints, each coin meticulously polished and struck multiple times for mirror-like fields and frosted devices. Housed in its original mint packaging, this set preserves both authenticity and condition—critical factors for serious collectors. The 1989 proof coins showcase exceptional eye appeal and rarity potential, making this an ideal addition to any collection seeking quality vintage US coinage with documented provenance and original presentation.\u003c\/p\u003e","brand":"Genventro Bullion and Coins","offers":[{"title":"Default Title","offer_id":47132563210476,"sku":"10-1989-ProofSet-256","price":14.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/1766\/6028\/files\/IMG_2269.jpg?v=1766339579","url":"https:\/\/genventro.com\/products\/1989-us-mint-proof-set-bu-coins-with-original-mint-packaging-256","provider":"Genventro Bullion and Coins","version":"1.0","type":"link"}