1840 1p black, "V.R." Official, unused without gum, margins all around, fresh color and sharp impression, v.f. example of this world-class rarity, with 1975 BPA certificate (while 3,323 sheets were prepared for use, the idea of special "Official" stamps was abandoned and all but 21 sheets were destroyed. Of those, 13 sheets were used for experiments with obliterator cancels, but a few managed to make it through the post) (SG V1) cat. £32000 (Cat No. O1) (Image)

Cat. £32000, Est.$15,000

1903 Government Parcels, 1sh green & carmine, h.r., faint toning at top, well centered, fine, with 2017 certificate (SG O72) cat. £650 (Cat No. O38) (Image)

Cat. £650, Est.$300

1896 O.W. Official (Office of Works), 1/2p vermilion, h.r., v.f., with 1998 PFC (SG O31) cat. £350 (Cat No. O44) (Image)

Cat. £350, Est.$200

1896 O.W. Official (Office of Works), 1/2p blue green, l.h., v.f., with 2017 certificate (SG O32) cat. £475 (Cat No. O46) (Image)

Cat. £475, Est.$250

1902 R.H. Official (Royal Household), 1/2d blue green, 1p scarlet, l.h., v.f., with 2017 certificate (SG O91,92) cat. £700 (Cat No. O63,64) (Image)

Cat. £700, Est.$400

1903 Admiralty Official, 1 1/2p, 2p, 2 1/2p and 3p four different, mostly l.h., fresh and fine-v.f., with 2017 certificate (SG O103-106) cat. £1575 (Cat No. O74-77) (Image)

Cat. £1575, Est.$800