1919 Hawker Air Post 3c brown, mint o.g., lightly hinged, exceptionally well-centred especially since most of the other examples are centred slightly to top, fresh colour, signed on the reverse "J.A.R" (St. John's Postmaster J. A. Robinson) extremely fine and very rare, with no more than 87 unused examples that can possibly exist though the actual number of surviving copies is probably much lower, and this being one of the finest we have encountered, cert. BPA (1989) (S.G. £22'000, Scott $25'000, Unitrade C$40'000). Note: Postmaster J. A. Robinson of St. John's overprinted 200 stamps for the special flight; of these 95 were used and 18 were defective and subsequently destroyed. (Image)

1919, 3c Red Brown, Hawker Air Post, very well-centered, tied by "St. John's Nfld. Apr. 12, 1919 2-PM" machine cancel on cover addressed to Sir Edgar Bowring, High Commissioner for Newfoundland, London, England, typed "PER AEROPLANE POST", reverse with "Found open and officially secured" label cancelled by London circular datestamp, the stamp has been lifted and replaced to the original position (likely due to water damage from flight). Very fine, desirable and exceedingly rare Newfoundland Air Post issue, cert. P.F. (1981) (Scott $25'000, Unitrade C$35'000). Only 95 stamps were used and fewer still are known on flight covers. . Note: This flight famously ended with a controlled crash landing in the ocean after about 13 hours of flying. Postmaster J.A. Robinson of St. John's overprinted 200 stamps for the special flight. No more than 87 unused stamps can still exist, though the actual number of surviving examples is much lower. Of the 200 printed, 95 were used and 18 were defective and subsequently destroyed. (Image)

1930 Columbia Air Mail 50c on 36c sage-green mint o.g. with just the faintest trace of a hinge, faintest of bends at foot, fresh colour, very fine example of this airmail rarity and quite possibly the finest centred example in existance, cert. BPA (2001) (S.G. £6'000, Scott $9'000.00, Unitrade C$12,000). Note: The Newfoundland government overprinted 300 copies of the 36c "Caribou" issue for use on this flight. Only 100 were actually used (65 from St. John's and 35 from Harbour Grace). (Image)

1862-64, 5d chocolate brown, mint imperf. block of four from the foot of the sheet, fine; cert. RPS (2022). (Image)

1876-79 3c. blue pair, rouletted, mint, scarce. (Image)

1894 12c deep brown mint block of four, the top 2 stamps showing re-entries positions 24 and 25 listed in Unitrade, the lower pair mint n.h., fine. (Image)

1932-38 24c bright blue mint imperf. horizontal pair, very fine (S.G. £350). (Image)