Posted By:
Frank WakefieldTo answer your question, I think it might be W461. That would be in section 30 of the American Card Catalog, mine is a 1960 edition and the cards are on page 185. I looked at the listings with the PC prefix, and they don't seem to fit.
W461 was for photo types
W462 was for the ones with "Greetings" or "Best Wishes"
W463 was for the 4 on 1 cards
W464 was for the 33 card Hall of Fame cards
W465 was for the PCL exhibits
W461 for all of the years, lumped together.
Frank.