1936 25c airmail to British Guiana.

1936 New Westminster, British Columbia machine cancel (DEC 18) ties #221, #225 5c Pictorial, 20c Niagara Falls on cover to Georgetown, British Guiana, redirected to St. Thomas, then New Amsterdam, Berbice, paying 25c airmail letter rate.

Reverse with Air Mail GPO British Guiana (26 DE), Georgetown (27 DE),  and New Amsterdam (28 DE).