I am no expert ,but I only have this one being a blank back version , but others can be a score card or a post card version as a W530. A checklist will be tough on what players have came up for auction and or sold and new players being discovered. These are also listed in the Standard Catalog of Baseball Cards under 1913-1915 Pinkerton Score/Photo/Post Cards when I bought in 2009
Last edited by rgpete; 06-30-2023 at 06:55 PM.
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