U. S. ARMY AIR DEFENSE ARTILLERY CRESTS OF THE 1ST AIR DEFENSE ARTILLERY, 11TH AIR DEFENSE ARTILLERY, 91ST AIR DEFENSE ARTILLERY AND 3RD AIR DEFENSE ARTILLERY. SEE PHOTOS. BUYER IS TO PAY .50 IN SHIPPING AND HANDLING IN THE U. S.. PAYMENT IS TO BE RECEIVED WITHIN THREE DAYS OF PURCHASE. THANK YOU!