United States | American Chemical Society Plate Block of Four 3-Cent United States Postage Stamps Issued 1951 Violet brown

Description

This collectible plate block of four 3-cent postage stamps was issued by the US Post Office to honor the American Chemical Society.
Issue Date: September 4, 1951
First City: New York, NY
Printed by: Bureau of Engraving and Printing
Printing Method: Rotary Press
Perforations: 11 x 10?
Color: Violet brown
Mint, never hinged condition.
We often have multiple copies of this item in stock; the plate number and/or position may vary.