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1939 Gumakers of America True Spy Stories
The True Spy Story cards are a unique set of non-sports cards that describe true acts of espionage from U.S. history up through 1939. The cards have colorful illustrations of the scene on the front side, while the back has a description about the event or person. The first sentence on each card reads: "This is a TRUE SPY STORY. The names of some of the characters have been changed in order to not embarrass the government."