With the FBI estimating that 50%–70% of signed sports memorabilia is forged, authentication is critical. How I Collected Sports Autographs Without Leaving My Home
: His "Last Dance" game-worn and signed jersey sold for a record-shattering $10.1 million in 2022. Starting Your Own Collection sports autographs
: Still the most sought-after name in the hobby. A single signed baseball can fetch over $388,000. With the FBI estimating that 50%–70% of signed
Some signatures are so rare they are considered the "crown jewels" of sports collecting. sports autographs
: For glossy cards, rub the surface with a polymer eraser or baby powder first so the ink doesn't bubble. Spotting the Fakes