In 2016 I won a full set of these cards in a charity auction, but don't really know anything about them. My auction win included all 231 cards, with the Santurce AllStar Team (#1-#9), Ponce AllStar Team (#10-#18), and Roberto Clemente (#198-#206) composite photos each in a strip of three uncut cards, and also each of these composite photos in a nine card un-cut sheet. I also have an unused album.
Here is what the Standard Catalog has to say:
