{"product_id":"sammy-sosa-2026-leaf-metal-blue-hit-kings-1-1-pre-production-proof","title":"Sammy Sosa 2026 Leaf Metal Blue Hit Kings 1\/1 Pre Production Proof","description":"Rare 1\/1 pre-production proof of Sammy Sosa from the 2026 Leaf Metal Blue Hit Kings collection. This one-of-a-kind card features the iconic slugger in premium blue metal stock, making it an exceptional addition to any serious baseball card collection. Pre-production proofs are highly sought after by collectors for their scarcity and unique production history. A must-have for Sosa enthusiasts and vintage card investors.","brand":"Cardboard Superstars","offers":[{"title":"Default Title","offer_id":43390620205119,"sku":null,"price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/9506\/7199\/files\/Document_20260523_0053.jpg?v=1781356997","url":"https:\/\/www.cardboardsuperstars.com\/fr\/products\/sammy-sosa-2026-leaf-metal-blue-hit-kings-1-1-pre-production-proof","provider":"Cardboard Superstars","version":"1.0","type":"link"}