1968 10c 50 Stars bklt single

U.S. #C72
1968 10¢ 50-Star Runway

First Day Cover

Issue Date: January 5, 1968

City: San Francisco, CA
Printed By: Bureau of Engraving and Printing
Printing Method: Rotary press printing
Perforations: 11 X 10 ½ 
Color: Carmine

This stamp was issued to conform to the law, which raised airmail postage rates effective on January 7, 1968.