Mark Armour – SABR's Baseball Cards Research Committee
Calaméo - 2017 May
Mark McGwire Original Vintage Sports Plates for sale
jongree – SABR's Baseball Cards Research Committee
Joe G. (Goat Jerseys) – SABR's Baseball Cards Research Committee
SABR's Baseball Cards Research Committee – Page 16
Mark Armour – SABR's Baseball Cards Research Committee
Mark McGwire Original Vintage Sports Plates for sale
Oddballs – Page 5 – SABR's Baseball Cards Research Committee
Lot Detail - 2016 Mark McGwire Game Used San Diego Padres Home Throwback 80th Anniversary PCL Uniform (Jersey and Pants) From 9/7/16 Vs Red Sox (MLB Authenticated)
Lot Detail - 2016 Mark McGwire Game Used San Diego Padres Home Throwback 80th Anniversary PCL Uniform (Jersey and Pants) From 9/7/16 Vs Red Sox (MLB Authenticated)