These cards bear the name of a mysterious figure
Of Pack Nights and Rub Downs (It's Not What You Think) – SABR's Baseball Cards Research Committee
SABR's Baseball Cards Research Committee
Number 5 Type Collection: 1920-21 W516-1-2 Baseball Strip Cards #5, Tris Speaker
Taming the West Coast Monster – SABR's Baseball Cards Research Committee
1920-21 W516 Strip Card Set - All Vintage Cards
1920-21 W516 Strip Card Set - All Vintage Cards
Calaméo - REA 2017 Fall Auction
1920-21 W516 Strip Card Set - All Vintage Cards
Five Types of W516 Strip Cards Confuse Collectors
SABR's Baseball Cards Research Committee