1866 15c black Lincoln, unused (regummed) with a natural straight edge at right and slightly trimmed perfs at bottom, with Diena signature on back, fine. Accompanied by a 2017 PSAG certificate. (Image)

Scott $ 1,750

1923 2c carmine Washington Imperforate, in a mint never hinged bottom right corner plate block of 24, with Plate 18027 inscription at right, alongside rarely seen "G.T.T. J.McF." sideographer inscription. Bright colour, fresh and very fine. (Image)

Est $ 150

1894-95 1c to 50c Postage Due Set of Seven Large Die Proofs on India paper, sunk-in on cards measuring 154 x 204 mm (the 1c has been reduced to 63 x 112 mm). Mostly very fine, with a few light marks on some, perhaps due to previous hinging. Scarce and very fine. (Image)

Scott $ 1,155

1873 1c to 90c Navy Department Set of Large Die Proofs on India paper, sunk-in on cards 145 x 225 mm. Missing the 6c (includes 10 different values). A few values have small stains outside of the sunk-in area. Scarce and very fine. (Image)

Scott $ 800

1997 Self Adhesive Coil Test Stamp, Serpentine Perforated 9½, in a complete roll of 5,000 stamps, fresh and very fine. Catalogue value does not include possible added value for the "white line on left or right of center stamp" variety (unchecked by us). (Image)

Scott $ 3,250

1980s Dummy Test Booklet with Daffodil Cover. Complete booklet containing 4 panes of 10 small size blank test "stamps". Back cover in black, red, yellow and blue showing various printers test and registration markings. The inside of the back cover contains the write up for American Garden stamps. Very scarce booklet, mint never hinged very fine. (Image)

Scott $ 900

1980s Dummy Test Booklet with large Daffodil Cover. Complete booklet containing 2 panes of 10 large rectangular size blank test "stamps". Back cover in black, red, yellow and blue showing various printers test and registration markings. The inside of the back cover contains the write up for American Garden stamps. Scarce booklet, mint never hinged very fine. (Image)

Scott $ 400

1980s Dummy Test Booklet with small Daffodil Cover. Complete booklet containing 1 pane of 8 small size blank test "stamps". Back cover in black, red, yellow and blue showing various printers test and registration markings. The inside of the back cover contains the write up for American Garden stamps. Scarce booklet, mint never hinged very fine. (Image)

Scott $ 400

1980s Dummy Test Booklet with medium sized Daffodil Cover. Complete booklet containing 3 panes of 20 small size blank test "stamps". Back cover in black, red, yellow and blue showing various printers test and registration markings. The inside of the back cover contains the write up for American Garden stamps. A block of 4 stamps have separated from their pane, else never hinged and fine. (Image)

Scott $ 500