1930 3c Admiral Reverse Lithographed Proof Group, with three different blocks of four, in red, blue and black, with image reversed and enlarged to 21 x 25 mm from Dr. Eckerlin's Rotary Intaglio Process which he proposed to the American Bank Note Company. Interestingly, the bottom right corner block in blue shows the image cut off at right through the middle of right "3"s. An interesting collateral group on ungummed thicker paper. (Image)

Est $ 300

1930 3c Admiral Reverse Sample Proof, in a scarce block of 30 in black. These were made in Germany by Dr. Eckerlin as a proposal for a cheaper security printing method, the Rotary Intaglio Process. Normally found in blocks of four or smaller, as very few larger blocks of these remain. Very fine. (Image)

Est $ 350

1930 3c Admiral Reverse Sample Proof, in a scarce lower left corner block of 24 in green. These were made in Germany by Dr. Eckerlin as a proposal for a cheaper security printing method, the rotary intaglio process. Normally found in blocks of four or smaller, as very few larger blocks of these remain. Two small tears and a crease in margin at left, still very fine. (Image)

Est $ 350

1911 1c green Admiral with Type B Double Lathework, a mint never hinged lower right corner block of four, with cutting arrow at right and strong impression of the lathework. Stamps are centered fine to very fine overall. (Image)

Unitrade $ 1,200

1911 1c dark green Admiral with Full Type B Lathework, mint never hinged, with deep, fresh colour, nicely centered and showing signs of doubling of the lathework, very fine. (Image)

Unitrade $ 180

1911 1c green Admiral with Full Type B Lathework, in a used block of ten, with very light c.d.s. cancels, fine and scarce. Rsv. (Image)

Est $ 200

1917 2c carmine Admiral, mint never hinged, quite fresh and extremely fine. (Image)

Unitrade $ 120

1911 2c pink Admiral, a mint never hinged bottom sheet margin single, with large margins all around and distinct colour. The selvedge shows the letters "PO" (inverted) denoting a printing order. A lovely example of this better shade, extremely fine. Accompanied by a 2018 Greene Foundation certificate. Rsv. (Image)

Unitrade $ 600

1911 2c pink Admiral, a mint never hinged single, very fine and accompanied by a photocopy of a 2011 Greene Foundation certificate for a block of four, from which this is the lower left stamp. Rsv. (Image)

Unitrade $ 600

1918 3c brown Admiral with Type D Inverted Lathework, a mint never hinged block of four, with deep rich colour and about 50% impression of the lathework. Very fine. (Image)

Unitrade $ 1,350

1918 3c brown Admiral, Wet Printing, a mint bottom left corner block of four, showing full Type B lathework in bottom margin, top stamps hinged, bottom never hinged and very fine. (Image)

Unitrade $ 450

1918 3c brown Admiral with Type D Inverted Lathework, a mint block of four with the upper left stamp having thins, with about 80% impression of the lathework. Very fine. Catalogue value is for two very fine never hinged singles. Rsv. (Image)

Unitrade $ 900

1923 3c carmine Admiral, Die I, mint never hinged, quite fresh and extremely fine. A lovely stamp in all respects. Rsv. (Image)

Est $ 100

1923 3c carmine Admiral with Type D Lathework, a mint plate 126 block of 16, with rich colour and full crisp impression of the lathework. Two stamps are hinged at top middle, rest are NH. Catalogued as a hinged plate block of 8 plus two never hinged blocks of four. Very fine and great presentation piece. (Image)

Unitrade $ 1,600

1925 4c yellow ochre Admiral, Dry Printing, mint never hinged, quite fresh and extremely fine. Accompanied by a 2007 Philatelic Foundation certificate grading it as "XF-S 95". (Image)

Unitrade $ 210

1912 5c indigo Admiral, mint never hinged, very well centered and possessing deep, rich colour and freshness, extremely fine. A lovely stamp in all respects. Rsv. (Image)

Unitrade $ 2,000

1924 5c violet Admiral on Thin Paper, mint never hinged, fresh and very well centered among four even margins, extremely fine. A very nice stamp. (Image)

Unitrade $ 150

1925 5c violet Admiral, Dry Printing, with Redrawn Upper Right Spandrel, mint never hinged, quite fresh and extremely fine. Accompanied by a 2007 Greene Foundation certificate which does not mention the never hinged state of the stamp. (Image)

Unitrade $ 210

1916 7c yellow ochre Admiral, mint never hinged, quite fresh and very fine. (Image)

Unitrade $ 240

1914 7c sage green Admiral, a mint never hinged single, with fresh colour and very fine. Accompanied by a 2018 Greene Foundation certificate. Never hinged examples of this sought after shade are scarce. Rsv. (Image)

Unitrade $ 3,000

1924 7c red brown Admiral, Wet Printing, mint never hinged, quite fresh and well centered, extremely fine. A lovely stamp. (Image)

Unitrade $ 135

1925 8c blue Admiral, Dry Printing, mint never hinged, quite fresh and extremely fine. Accompanied by a 2007 Philatelic Foundation certificate grading it as "XF-S 95". (Image)

Unitrade $ 210

1912 10c plum Admiral, mint lightly hinged, quite fresh and fine-very fine. (Image)

Unitrade $ 260

1922 10c blue Admiral Single Usage on Cover to Cuba, mailed from the Militia Headquarters in Ottawa on OHMS stationery, this cover was mailed to a Poste Restante address in Cuba, then re-directed (with a white label) to Chicago. A very clean example of a single usage for this stamp. (Image)

Est $ 100

1925 20c olive green Admiral, Dry Printing with Retouched Vertical Line in Upper Right Spandrel, mint never hinged, quite fresh and very fine. Accompanied by a 2013 Greene Foundation certificate identifying it as a basic Scott 119. (Image)

Unitrade $ 540