United States | American Institute of Architects Plate Block of Four 3-Cent United States Postage Stamps Issued 1957

Description

This plate block of four 3-cent US postage stamps was issued to commemorate the centenary anniversary of the founding of the American Institute of Architects.
Issue Date: February 23, 1957
First City: New York, New York
Printed by: Bureau of Engraving and Printing
Printing Method: Rotary Press
Perforations: 11 x 10 ?
Mint, never hinged condition.
We often have multiple copies of this item in stock; the plate number and/or position may vary.