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Lee DeForest Father of Radio, Audion Radio Tubes, First Issue USA
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United States Commemorative Postage Stamp, Progress in Electronics, Honoring Inventor Lee DeForest, Audions,
Issued July 10, 1973 in New York, NY,
First Day of Issue Cover, FDC, Art Craft Engraving Cachet, Unaddressed,
Lee De Forest (1873-1961)- The "Father of Radio" Whose Audion Led to the First Broadcast (1907).
Ideal for Framing,
Cover in Removable Transparent Poly Sleeve and Mailed With Protection,
Made in the USA
Genuine First Day of Stamp Issued Cover Cancelled on the First Day of Issue Date by the U.S. Postal Service,
Issued July 10, 1973 in New York, NY,
First Day of Issue Cover, FDC, Art Craft Engraving Cachet, Unaddressed,
Lee De Forest (1873-1961)- The "Father of Radio" Whose Audion Led to the First Broadcast (1907).
Ideal for Framing,
Cover in Removable Transparent Poly Sleeve and Mailed With Protection,
Made in the USA
Genuine First Day of Stamp Issued Cover Cancelled on the First Day of Issue Date by the U.S. Postal Service,
