Who Knew?!: Hand-Signed vs. Machine-Stamped Baseballs, Who Knew?! Learn how to spot the difference between a hand-signed and stamped baseball with expert Leila Dunbar now:, By Antiques Roadshow l PBS
Antiques Roadshow, Appraisal: 1961 Yankees Team Signed Baseball, Season 16, Episode 1
Antiques Roadshow, Appraisal: 1923 New York Yankees-signed Baseball, Season 22, Episode 8
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Beach Boys, a rain globe and more: My 5 favorite pieces of Giants memorabilia - The Athletic
Appraisal: Paul Milet Vase, ca. 1915
Lot Detail - 1927 New York Yankees Team Signed Baseball With Sixteen Signatures Including Ruth, and Gehrig
1927 New York Yankees Team Signed Baseball Babe Ruth & Lou Gehrig PSA DNA COA
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Antiques Roadshow, Appraisal: 1928 New York Yankees Team-signed Baseball, Season 21, Episode 5
1927 Yankees Team-signed Baseball & Stamped Ball, Antiques Roadshow