No. The 1951 M.M.Frame Sport Aces #9 Stan Mortensen is not a rookie card. For Stan Mortensen's rookie cards, look for the RC designation — typically from their debut year.

What set is the 1951 M.M.Frame Sport Aces #9 Stan Mortensen from?▼

This card is from the 1951 M.M.Frame Sport Aces set, produced by Unknown. Browse the full checklist for all cards in this set.

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