Quick question. I'm working on a project documenting cards featuring current/former/future Negro League players. I'm now looking at the 1931-32 Doble Aguila set. While some players are listed on the card fronts, others have a generic caption. But it seems that people have identified a number of these players, as a notation sometimes shows up on the SGC/PSA slab with the player's name.
Such as Martín Dihigo in:
Or Tetelo Vargas in:
Has there been any progress in identifying players on other, similar cards? Like:
Currently, I have my list of cards from this set which feature Negro League players listed at:
https://negroleaguecards.blogspot.com