1881 Great Britain Revenue 1d purple, watermarked Orbs, canceled by bold "C" obliterator of Constantinople, with 1995 BPA certificate, cat. £650 (Cat No. SG Z175a) (Image)

Cat. £650, Est.$250

1885-88 selection with five singles and a block of four, 40pa on 2 1/2d lilac, block of four, 40pa on 2 1/2d, 80pa on 5d and 80pa on 5d, all overprinted Specimen in black, plus additional 80pa on 5d and 12pi on 2sh6p overprinted "Canceled", l.h. or h.r., last with BPA certificate (Image)

Est.$500

1885-88 12pi on 2sh6p lilac, bluish paper, h.r., v.f. (SG 3) cat. £550 (Cat No. 3a) (Image)

Cat. £550, Est.$150

1885-88 12pi on 2sh6p lilac, bluish paper, top sheet margin example overprinted Specimen (Samuel type GB14), minor h.r., fresh and fine (Cat No. 3aS) (Image)

Est.$500

1887 80pa on 5d purple & blue, block of four, top left with small "0" in "80", h.r., fine (SG 5a) cat. £429 (Cat No. 5,5a) (Image)

Cat. £429, Est.$250

1887 80pa on 5d purple & blue, variety "watermark inverted", used (SG 5w) cat. £650 (Cat No. 5var) (Image)

Cat. £650, Est.$300

1893 40pa on 1/2d vermilion, two singles canceled on piece by "'British Post Office / Constantinople" cds (March 1), v.f., with 1972 Royal certificate (SG 7) cat. £200 (Cat No. 6) (Image)

Cat. £200, Est.$150

1902 80pa on 5d purple & blue, horizontal pair, left stamp with small "0" in "80", h.r., fine (SG 9a) cat. £344 (Cat No. 9,9a) (Image)

Cat. £344, Est.$150

1902-21 Specimen overprints, selection of four singles and a horizontal pair, with 12pi on 2sh6p KEVII bottom sheet margin single, 18 3/8pi on 1sh, others overprinted Levant 1/2p and 1p (with BPA certificate), plus pair of 1sh, fine-v.f. (Cat No. 11/61S) (Image)

Est.$500

1909-13 5pi on 1s dull green & carmine, block of six all overprinted by hooded "Specimen" in black (Samuel type GB17), also 4pi on 10d dull purple & scarlet, bottom sheet margin block of four, overprinted "Specimen" (Samuel type GB15), n.h., fine-v.f. (Cat No. 31,44S) (Image)

Est.$150

1921 Bradbury Wilkinson Seahorses, set of three surcharges, also additional 2sh6p single and vertical pair overprinted Levant, all overprinted "Specimen" (Samuel type GB26), l.h. or n.h., fine-v.f. (Cat No. 54,62-64S) (Image)

Est.$400