1971 11¢ Jet Airliner
Issue Date: May 7, 1971
First City: Spokane, Washington
Quantity Issued: unknown
Printed by: Bureau of Engraving and Printing
Printing Method: Rotary Press
This pre-canceled stamp was issued as a part of the postal rate increase effective May 6, 1971, raising the domestic airmail rate from 10¢ to 11¢.