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United States | Marconi Spark Coil Plate Block of Four 6-Cent United States Postage Stamps Issued 1973

Original price was: $6.75.Current price is: $5.23.

This collectible plate block of four 6-cent United States postage stamps was issued to honor progress in electronics, and depicts Marconi’s spark coil and spark gap. Issue Date: July 10, 1973 First City: New York, NY Pr…

SKU: IMU9450/X727799 Categories: , Tag:

Description

This collectible plate block of four 6-cent United States postage stamps was issued to honor progress in electronics, and depicts Marconi’s spark coil and spark gap.
Issue Date: July 10, 1973
First City: New York, NY
Printed By: Bureau of Engraving and Printing
Printing Method: Lithographed, engraved
Perforations: 11
Mint, never hinged condition.
We often have multiple copies of this item in stock; the plate number and/or position may vary.

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