1973 15c Progress in Audio & Visual Electronics
# 1502 - 1973 15c Progress in Audio & Visual Electronics
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1502 - 1973 15c Progress in Audio & Visual Electronics
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Fleetwood First Day Cover
Ships in 1-3 business days.
Ships in 1-3 business days.
Free with 590 Points
$ 2.95
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$ 2.95 |
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Colorano Silk First Day Cover
Ships in 1-3 business days.
Ships in 1-3 business days.
$ 2.25
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$ 2.25 |
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Classic First Day Cover
Ships in 1-3 business days.
Ships in 1-3 business days.
$ 1.75
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$ 1.75 |
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First Day Cover Plate Block
Ships in 1-3 business days.
Ships in 1-3 business days.
$ 2.25
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$ 2.25 |
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Mint Plate Block
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Ships in 1-3 business days.
$ 3.75
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$ 3.75 |
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Mint Stamp(s)
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Ships in 1-3 business days.
Free with 210 Points
$ 0.75
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$ 0.75 |
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Mint Sheet(s)
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Ships in 1-3 business days.
$ 37.50
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$ 37.50 |
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Used Single Stamp(s)
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Ships in 1-3 business days.
$ 0.50
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$ 0.50 |
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Mounts - Click Here
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U.S. #1502
15¢ Microphone and Speaker
Electronics Progress Issue
Electronics Progress Issue
Issue Date: July 10, 1973
City: New York, NY
Quantity: 39,005,000
Printed By: Bureau of Engraving and Printing
Printing Method: Lithographed, engraved
Perforations: 11
Color: Gray green and multicolored
Celebrates the progress made with component parts in the electronics field. Emile Berliner invented the microphone; Thomas Edison, the vacuum tube; and Vladimir Zworykin, the photoelectric cell, which brought television to life in 1928.
U.S. #1502
15¢ Microphone and Speaker
Electronics Progress Issue
Electronics Progress Issue
Issue Date: July 10, 1973
City: New York, NY
Quantity: 39,005,000
Printed By: Bureau of Engraving and Printing
Printing Method: Lithographed, engraved
Perforations: 11
Color: Gray green and multicolored
Celebrates the progress made with component parts in the electronics field. Emile Berliner invented the microphone; Thomas Edison, the vacuum tube; and Vladimir Zworykin, the photoelectric cell, which brought television to life in 1928.