There are 1 Mark McGwire 12 trading cards tracked on HobbyCardIndex, spanning Baseball. The most valuable is the Mark McGwire #SA 12 at $1.00 raw.

Source: HobbyCardIndex · Updated daily · https://hobbycardindex.com/players/mark-mcgwire-12

Mark McGwire 12 Cards

Name: Mark McGwire 12 Card Price Index — Historical Data
Creator: HobbyCardIndex
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1 cards · Baseball

All Mark McGwire 12 Cards

Mark McGwire #SA 12

1997

$1.00

Mark McGwire 12 Cards

All Mark McGwire 12 Cards

Mark McGwire #SA 12

Track Mark McGwire 12 Cards