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John Gelnar
John Gelnar's Baseball cards are available in at least 3 sets. John Gelnar's biggest 7-day price movers are 1970 Topps #393 Base, 1971 O-Pee-Chee #603 Base, and 1971 O-Pee-Chee #604 Base.
The biggest 30-day change John Gelnar cards are 1970 Topps #393 Base, 1971 O-Pee-Chee #603 Base, and 1971 O-Pee-Chee #604 Base.
Sports Card Investor is currently tracking 4 John Gelnar cards.
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