United States | Smithsonian Institution Block of Four 3-Cent United States Postage Stamps Issued 1946

Description

This collectible block of four 3-cent postage stamps was issued by the US Post Office in commemoration of the one hundredth anniversary of the founding of the Smithsonian Institution.
Issue Date: August 10, 1946
First City: Washington, D.C.
Printed by: Bureau of Engraving and Printing
Printing Method: Rotary Press
Perforations: 11 x 10 1/2
Mint, never hinged condition.