1906 1c Violet Postage Due, a mint never hinged upper marginal block of four, stamps are nicely centered and fresh, very fine. (Image)

Unitrade $ 320

1934 1c Dark Violet Postage Due, a mint never hinged right half sheet of 50, showing plate 1 inscription at upper right, fresh and very fine. (Image)

Unitrade $ 2,530

1934 1c Dark Violet Postage Due Imperforate, a mint never hinged vertical pair, fine-very fine. Accompanied by a 2011 Richard Gratton AIEP certificate. (Image)

Unitrade $ 850

1c, 2c, 4c and 10c Postage Due Large Die Proof Set in Colour of Issue, the set of four that were issued in 1935, all die-sunk on card measuring 230 x 155 mm, with die numbers XG-572/578, very fine and rare. Rsv. $1,800. (Image)

Est $ 1,800

1935 2c, 4c and 10c Postage Due Imperforates, all three in mint never hinged marginal horizontal pairs, very fine. (Image)

Unitrade $ 1,350

Dealer Stock of Mint Postage Due Issues, all presented in 118 black stock cards with catalogue number and dealer's asking price, separated by hinged and never hinged. Includes various quantities of singles, pairs and blocks of four, including plate blocks (with several matched sets). See pictures online for an example, overall fine to very fine, with a high catalogue value. The "retail" value given is a total of the dealer's asking prices for these. (Image)

Retail $ 6,422