Jackie Mayo #142 Price Guide
Baseball · Baseball Cards 1949 Eureka Sportstamps
We're still collecting market data for Jackie Mayo #142 (Baseball Cards 1949 Eureka Sportstamps). Prices, the grade ladder and history will appear here as sales land. Grading is the single biggest value lever — check the raw-to-PSA-10 gap below, then scan your copy to see if its centering makes the grade.
Current prices
Raw (ungraded)
No raw sales recorded yet.
Graded — grade ladder
Last updated 2026-09-03 · Source: the PriceCharting price guide
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Jackie Mayo #142 — frequently asked
How much is Jackie Mayo #142 (Baseball Cards 1949 Eureka Sportstamps) worth?
As of Sep 3, 2026, Jackie Mayo #142 (Baseball Cards 1949 Eureka Sportstamps): a Grade 8 sells for about $12.99. Values come from the PriceCharting price guide and are refreshed weekly.
Where do these Baseball card prices come from?
Prices are the PriceCharting price guide, refreshed weekly. Raw values reflect near-mint (NM) ungraded copies; graded values are per grading company and grade.