1921 (Feb 26/March 10): Covers (2) each with 1919 Caribou frankings at 3 c. rate, earlier cover with typed 'per Airship' and handstamped 'AIR POST St. Anthony', the second cover handstamped AIR POST FOGO with Fogo backstamp; also a typed 1919 letter addressed to Joseph L. Kennedy in Quincy, Mass stating "Just got notice that the Handley Page machine will take mail to New York...".

"Columbia Flight" 1930: Cover to Dublin endorsed 'Air Mail Columbia' franked at 40 c.ent rate with scarce 1919 Caribou 36 c. sage-green, 1928 4 c. rose-purple and 10 c. violet all tied by 'St. John's Nfld.' slogan cancellation, backstamped at Harbour Grace (Oct 9) and heavily cancelled alongside in Dubli (Oct 13) which has caused a split in the cover. Scarce, circa 180 covers carried. (Image 1) (Image 2) (Image)

1927 (May 18): "Air Mail / DE PINEDO / 1927" overprint in red on 60 c. black, a fine unused example of this iconic stamp, position 18 on the sheet of 50 subjects, fresh and very fine, superb large part og. A great rarity of British Commonwealth philately with just 66 unused examples possible. Signed A. Diena, Kessler, Sanabria. Cert. Bolaffi (2014), E. Diena (2016) Scott C4 = $ 45'000/Gi = £ 42'000. (Image 1) (Image 2) (Image 3) (Image)