{"product_id":"2026-leaf-metal-pro-set-baseball-1-1-proof-pack","title":"2026 Leaf Metal Pro Set Baseball 1\/1 Proof Pack","description":"Introducing the 2026 Leaf Metal Pro Set Baseball 1\/1 Proof Pack — an ultra-premium collectible for serious baseball card enthusiasts. This exclusive proof pack features one-of-a-kind metal cards from Leaf's prestigious Pro Set line, showcasing premium craftsmanship and limited availability. Perfect for collectors seeking rare, high-grade pieces to elevate their collection. Each pack represents a unique investment in baseball card history.","brand":"Cardboard Superstars","offers":[{"title":"Default Title","offer_id":43437353140287,"sku":null,"price":10.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/9506\/7199\/files\/1_4abe24f7-d322-40c7-ac6a-e48ee3d5c6a1.jpg?v=1781825134","url":"https:\/\/www.cardboardsuperstars.com\/fr\/products\/2026-leaf-metal-pro-set-baseball-1-1-proof-pack","provider":"Cardboard Superstars","version":"1.0","type":"link"}