I see no evidence whatsoever of any alterations on this card. I believe this card should be graded as a 6.5.
1952 Topps #311 Mickey Mantle Rookie RC - SGC Authentic
Sports Auction #18- Autographs, Memorabilia and Sports Cards
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1952 Bowman Mickey Mantle Signed #101 PSA Good+ 2.5, Auto 10
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1952 Bowman Mickey Mantle Signed #101 PSA Good+ 2.5, Auto 10
1952 Topps Mickey Mantle Signed Porcelain Baseball Card RC PSA DNA
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Ronald Acuña Jr. / Blowout Buzz