Mark McGwire Sports Card Listed at $3,000 on Secondary Market Mark McGwire Card 1998 Select Rare Bankruptcy issue #229 BGS 9 (10 9 9 9) Rare . Mark McGwire Legends Baseball card New Mercari Mark McGwire and his son Mason unite for their first ever father son dual autograph card (pulled by @bestcardbreak) 1985 modesto As mark mcgwire rookie card (incorrect spelling) rare card. 1987 Topps Rookie Card #366 Mark McGwire Authentic (Vintage MLB Oakland Athletics Position Third Base Jersey #25) "Rare Vintage" (1987) Now And Then Collectibles