1921 (March 10), Fogo Pioneer Flight cover, franked by 6c brown, tied by St. John machine ds, violet line ''Air Post Fogo'' marking, arrival hs on reverse, mostly VF, Est. $100-$150 (Image)

1932, DO-X Trans-Atlantic Flight, red surcharge $1.50 on $1 blue, in addition two unissued stamps of $1 dark blue, prepared for that flight, all with full OG, first one is hinged with gum wave at bottom right, others - NH or LH, VF, C.v. $345, Est. $120-$150 (Image)

GROUP OF SEVEN POSTAL HISTORY ITEMS: 1931-39, representing covers to St. Anthony, Hampden, Conche and Vancouver, DO-X cover to Germany, flights to Liverpool and Shannon, various franking and postmarks, occasional conveyance flaws, still F/VF, Est. $400-$500 (Image)