1983 Topps Stickers Football Card Set - VCP Price Guide
NFL Jim McMahon Signed Trading Cards, Collectible Jim McMahon Signed Trading Cards
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1983 Topps Football Cards Checklist, Set Info, Key Cards, Analysis
1988 Topps #69 Jim McMahon - NM-MT
15 Most Valuable 1983 Topps Football Cards - Old Sports Cards
1983 Topps Football Cards – 12 Most Valuable – Wax Pack Gods
Jim McMahon Rookie Cards: Value, Tracking & Hot Deals
Other Sports Trading Cards – Frozen Pond
Jim McMahon Signed 1983 Topps #33 RC (PSA)
Bears legend Jim McMahon talks autographs, collecting, Mad Mac and the Super Bowl Shuffle - Sports Collectors Digest
1983 Topps Jim McMahon #33 PSA 8 NM-MT RC ROOKIE Chicago Bears
Earl Campbell 1979 Topps Rookie Card –
jim mcmahon #33 Values - MAVIN