1928-1946 Complete Basic Air Mail Issues, all mint never hinged and very fine. (Image)

Unitrade $ 384

1930 5c olive brown Air Mail, a mint never hinged block of four, fine. (Image)

Unitrade $ 180

1932 6c on 5c Air Mail Surcharge, mint never hinged, quite fresh and perfectly centered, an extremely fine stamp. (Image)

Unitrade $ 120

1935 6c Air Mail Die Proof in Issued Colour, on card-mounted India paper, measuring 48 x 40 mm, very fine and rare. Accompanied by a 2009 Richard Gratton AIEP certificate. (Image)

Est $ 500

1943 17c Air Mail Special Delivery Large Die Proof, sunk-in on card measuring 230 x 155 mm, with "X-G-793" and CBN Co. inscription below stamp image. There is light overall toning or staining on the area around the sunk-in area, away from the stamp impression. Few of these exist. (Image)

Est $ 2,000

1946 17c Air Mail Special Delivery Large Die Proof, sunk-in on card measuring 230 x 154 mm, with "X G-817" and CBN Co. inscription below stamp image. A rare die proof, with the incorrect French accent on the second E of EXPRES. (Image)

Est $ 2,500

146 17c Air Mail Special Delivery, fresh bulk lot of fifteen right marginal blocks of 12, for a total of 180 mint never hinged and very fine stamps. (Image)

Unitrade $ 2,025