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On July 10, 1973, the USPS issued a set of four stamps called Progress in Electronics. Shown here is a genuine First Day Cover, an envelope with the stamp commemorating the Microphone, Speaker Vacuum Tube,and TV Camera Tube, cancelled from the city of issue (New York, NY) on the first day of issue captioned above.
The black & white cachet (artwork on the envelope) features the different electronic products invented in the 20th century.
Double matted in blue & white, this item is sized to fit a standard 8 x 10 frame. ***Certificate of Authenticity Included***
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