Description
This collectible plate block of twelve 13-cent postage stamps was issued by the USPS to call attention to the need for energy conservation and the development of alternative sources of energy.
Issue Date: October 20, 1977
First City: Washington, DC
Printed By: Bureau of Engraving and Printing
Printing Method: Photogravure
Perforations: 11
Color: Multicolored
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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