I see no evidence whatsoever of any alterations on this card. I believe this card should be graded as a 6.5.
1952 Topps Mickey Mantle Rookie SGC 9.5 On Display at The National
Iconic Rare 1952 Topps #311 Mickey Mantle Rookie (sgc Authentic A) (amazing Eye Appeal)
1952 Topps Mickey Mantle Rookie #311 PSA NM-MT 8 at Heritage Auctions
Auction Prices Realized Baseball Cards 1952 Topps Mickey Mantle
Mickey Mantle Beckett Signed 1952 Topps Rookie Porcelain Card #311 Autograph 9
Mickey Mantle Rookie Card 1952 Topps #311 Values - MAVIN
1952 Topps Mickey Mantle #311 Rookie SGC A. Great Color & Eye Appeal!
It still has pretty nice color. An excellent and rare piece overall. Exceptional quality.
1952 Topps Mickey Mantle Yankees Rookie Card #311 RC HOF - SGC Authentic Altered
Auction Prices Realized Baseball Cards 1952 Topps Mickey Mantle
Iconic Rare 1952 Topps #311 Mickey Mantle Rookie (sgc Authentic A) (amazing Eye Appeal)
Topps Mickey Mantle #311 Values - MAVIN
1996 Topps Mickey Mantle 22K Gold Card 1952 ROOKIE Card Design #311 GEM MINT 10
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
Mickey Mantle Rookie Card 1952 Topps #311 Values - MAVIN