1919-23, Biplane Flying over the St, John Harbor, two photos (large and small format) of the photographic and handpainted essay of 10c, Caribou in oval and text ''Aerial Service'' at bottom, not approved design, VF and rare, original is listed in Walsh #AMX7, Est. $300-$400 (Image)

1932, Pictorial issue, imperforated proofs in black of 15c and $1 on paper without watermark and 50c on watermarked Coat of Arms paper, no gum as produced, NH, VF, Est. $250-$300 (Image)

1932, Dornier DO-X Transatlantic Flight, red surcharge $1.50 on $1 blue, fresh condition, full OG, VLH, VF, C.v. $275 (Image)

GROUP OF 9 PIONEER FLIGHT COVERS: 1921-49, Air Post St. Anthony (February 26, 1921, three Caribou 1c franking), Inaugural Pan Am Flight from Botwood to Canada and US (1939), Botwood-Shannon (Ireland) and return, St. John's- Sydney, St. John's-Moncton, Gander-Sydney of 1942, all are properly franked, bearing various confirmation markings, mostly VF, Est. $150-$200 (Image)