How does the provenance of an item impact its value in the world of sports memorabilia, and what steps should collectors take to verify the authenticity and history of a piece?

How does the provenance of an item impact its value in the world of sports memorabilia, and what steps should collectors take to verify the authenticity and history of a piece?
Admin on May 26 2025 at 11:18 PM in Sports Memorabilia
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