D)1937 -1939, GREAT BRITAIN, ON CIRCULATING FROM GREAT BRITAIN TO THE U.S.A. EXAMINED MAIL, WITH CAN

D)1937 -1939, GREAT BRITAIN, ON CIRCULATING FROM GREAT BRITAIN TO THE U.S.A. EXAMINED MAIL, WITH CANCELLATION STAMP ON GEORGE VI STAMP, PALE NAVY BLUE, 2/21, VF