1898 10c blue green Special Delivery, mint hinged, nicely centered, very fine. (Image)

Unitrade $ 250

1898 10c green Special Delivery with "No Shading in Value Tablet" Variety,a mint upper right corner plate block of six, with full Plate 1 imprint in top selvedge, plus a defaced order number. Bottom three stamps are never hinged, top are re-enforced to selvedge. Two top stamps also have creasing, else fine overall. (Image)

Unitrade $ 720

1930 20c henna brown Special Delivery, a mint never hinged margin single, with part "PLATE" inscription in selvedge, fresh and very fine. Accompanied by a 2011 Richard Gratton AIEP certificate. (Image)

Unitrade $ 200

1930 20c henna brown Special Delivery, mint never hinged, fresh and very fine. (Image)

Unitrade $ 200

1932 20c henna brown Special Delivery Imperforate, a mint never hinged horizontal pair, extremely fine and rare. (Image)

Unitrade $ 1,600

1935 20c dark carmine Special Delivery Imperforate, a mint never hinged horizontal pair, extremely fine and rare. (Image)

Unitrade $ 1,400

1935 20c Special Delivery Large Die Proof, sunk-in on card measuring 201 x 152 mm, with "X-G-586" and CBN Co. inscription below stamp image. There is a pencil notation in margin indicating "wrong colour" as the shade is quite a bit brighter than the issued stamp. Very fine and rare. (Image)

Est $ 1,500

1938 20c dark carmine Special Delivery Plate Proof, a vertical pair on card-mounted India paper, very fine. (Image)

Unitrade $ 700