1958 7c Jet Airliner,bklt pane of 6

U.S. #C51a
1958 7¢ Silhouette of Jet Airliner

Booklet Pane of Six

Issue Date: July 31, 1958
City: Philadelphia, PA
Quantity: 50,483,977
Printed By: Bureau of Engraving and Printing
Printing Method: Rotary press printing
Perforations: 10 ½ X 11
Color: Blue

This stamp was issued as required by law to meet the increase in airmail postage for letters that became effective on August 1, 1958. It is in booklet format.