Airmail cover franked with 1922 1d brown and 1/- black on emerald GV issue (SG 219 & 227) tied by PORT OF SPAIN cds dated FEB 10 1931. Flown on the Port of Spain - Maturin, Venezuela first flight of the 11th February with large boxed first flight cachet inscribed 'FIRST FLIGHT PORT OF SPAIN - MATURIN Airmail Routes FAM 6 and 7. PAA. Completing the Lindbergh Circle, Maturin, Venezuela'. Addressed to MATURIN. A scarce flight. Ex Wike and pictured in 'The Airmails of Trinidad and Tobago' by R.G. Wike, page 45. (Muller #31, only 301 covers carried)