Contrast And Compare: Another Four From 1977 O-Pee-Chee Baseball

Contrast And Compare: Another Four From 1977 O-Pee-Chee Baseball

Which is the better card grading system for vintage baseball cards, PSA or Beckett? Also, I am wanting to grade a 52 Mantle rookie but if I'm reading it correctly, PSA wants

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Which is the better card grading system for vintage baseball cards, PSA or Beckett? Also, I am wanting to grade a 52 Mantle rookie but if I'm reading it correctly, PSA wants

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