C79a – 1973 13c Winged Letter, Booklet Pane of 5 Stamps & Label

U.S. #C79a
1973 13¢ Winged Letter

Issue Date: November 16, 1973
First City: New York, New York
Quantity Issued:  unknown
Printed by: Bureau of Engraving and Printing
Printing Method: Rotary Press
Perforation: 11 x 10 ½
Color: Carmine

U.S. #C79 was released in anticipation of an airmail postal rate increase from 11¢ to 13¢ for each ounce of domestic airmail. This is in booklet form.