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1989 Topps "The Real One" Bubble Gum Baseball Cards Box with (36) Packs | Barnebys
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The baseball card bubble - The Silicon Underground
2018 Topps Wrapper Art #50 Baseball 1965 Bubble Gum Card Pre Sale Low Print | eBay
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Modern Baseball Card Investor: Hwang, Jeff: 9780985792886: Amazon.com: Books