Slabline™
Graded-card protection score
Slabline™All cards →Baseball · Set
Gum Inc.'s final pre-war set: 72 cards that added color to the 1940 photography, producing some of the most attractive cards of the era. Production ended with America's entry into World War II, making it a natural bookend to the pre-war hobby.
Current market values for graded cards from Play Ball, by grade, from real comparable sales. Track your whole collection — with a 0–1000 protection score and a broker-ready insurance schedule — free.
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Values are informational estimates from recent comparable sales — not a certified appraisal, insurance, or financial advice.