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The postcard is dedicated to the All-American Soap Box Derby, an annual event held in Akron, Ohio. The derby is a youth racing competition where participants build and race homemade soapbox cars. The event is supported by organizations such as Chevrolet, newspapers, television, and civic-fraternal groups.The All-American Soap Box Derby has a long history, dating back to 1934 when it was first held in Dayton, Ohio. In 1935, the event moved to Akron, where it