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All Available Sold Category: First Day Covers

1973 11c Progress in Electronics First Day Cover

1973 11c Progress in Electronics First Day Cover First Day Covers
  
 Price: $9.95
Stock #:1037362
Type: First Day Cover
Postmark: 1973 JUL-10
Postmark City: New York
Postmark State: NY
Stamp: 11c De Forest Audions
Size: 3.5" x 6.5" (9 x 16.5 cm)
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Additional Details:
Image of Lee De Forest, inventor of the Audion vacuum tube, with a globe showing a transmission from Arlington, VA to Paris, France, and the Eiffel Tower.
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