Cover with typed 'FIRST FLIGHT AIRMAIL - JAMAICA TO ANTIGUA' at top franked with 1921 2½d dull blue & blue and 1/- orange yellow & brown orange GV issue (SG 98a & 102a) tied by KINGSTON cds dated DEC 10 1930. Flown on the Kingston - St. John's, Antigua first flight with large circular first flight cachet on front and ST JOHNS arrival cds on reverse. A rare flight. (Muller #11, rated 1750pts)