Official 1874/77: 6 d. bright blue, wmk. Large Star, perf. 11½ x 12½, overprinted small 'O.S.', an unused example, well centred for the issue, of rich colour, large part typically cracked og. A scarce stamp Gi = £ 300.

Official 1876/85: 4 d. mauve (shades), wmk. Broad Star, perf. 10½ x 11½-12½, overprinted small 'O.S.', an unused selection (6 items) with 4 d. violet-slate unused, 4 d. plum unused, 4 d. deep mauve single example unused and two unused horizontal pairs, one with left hand stamp showing "Shaved S" variety and the other with shifted overprint, and a fine used horizontal pair showing "No Stop after S" variety; a scarce and attractive group Gi...

Official 1876/85: 6 d. bright blue (shades), wmk. Broad Star, perf. 10½ x 11½-12½, overprinted small 'O.S.', an unused block of four with unusually good perforations for the issue, fine colour, slight wrinkle on large part og. A rare and most attractive multiple Gi = £ 640+.

Official 1876/85: 8 d. on 9 d. brown, wmk. Broad Star, perf. 11½-12½, overprinted small 'O.S.', an unused example centred to left, good perforations and fresh colour for this rare stamp, part og. A great rarity. Cert. BPA (1990) Gi = £ 6'500.

Official 1876/85: 2 s. carmine, wmk. Broad Star, perf. 11½-12½, overprinted small 'O.S.', an unused example, well centred and of fresh rich colour, large part og. Scarce Gi = £ 275.

Official 1891/96: 2 d. orange-red, wmk. Crown SA, perf. 10, an unused block of six (3 x 2) in a pale shade, overprinted second "O.S.", fresh colour, fine, large part og. A scarce stamp in a multiple Gi = £ 390+.

Official 1897/1901: 5 d. purple, wmk. Crown SA, perf. 13, an unused block of four, overprinted second "O.S.", fresh and fine, large part og., lower pair unmounted og. A most attractive and scarce multiple Gi = £ 520+.rn 

Official 1899/1901: 1 d. rosine, wmk. Crown SA, perf. 13, an unused horizontal pair, overprinted third "O.S.", each with variety "Overprint "O.S." Inverted", fresh and fine, unmounted og. Scarce and attractive pair Gi = £ 400+.

Official 1899/1901: 2 d. bright violet, wmk. Crown SA, perf. 13, an unused group of nine items, overprinted third "O.S.", with normal examples (5), single example centrally overprinted "S." only, single used example in violet shade with misplaced overprint reading "S.O.", fine example with variety Overprint O.S. Inverted" and another with "No Stop after S.", generally fresh and fine, large part og. An attractive and scarce group Gi = £ 500...

Official 1891 (May): 2 s. 6 d. violet, wmk. Crown SA sideways, perf. 10, an unused example of fine fresh colour, the overprint with slight doubling due to a shift during printing, centred to top, insignificant corner bend not apparent on face (and barely so on reverse), large part og. Just one pane of 60 stamps were overprinted. A wonderful example of an extremely rare stamp. Cert. Ceremuga (2014) Gi = £ 9'500.

Courier Issue 1853/54: Courier 4 d. pale blue, imperforate on soft yellowish paper, an unused example, position 11, with large margins all round, one or two tiny nicks primarily scissor cut at upper right and in margin at base and slight gum bends, a fine early impression with lines clear and sharp, despite faults of fine appearance, part og. Rare. Cert. Ceremuga (2006) Gi = £ 13'000.rn 

Courier Issue 1853/54: Courier 4 d. orange, Plate I, an unused example, an intermediate impression with blurred lines and worn central background on thin poor quality paper, position 22 on the sheet with three large margins and sheet marginal at base, small split in margin and light vertical crease not affecting the dramatic appearance of this scarce stamp, part og. A very fine and rare stamp. Cert. Ceremuga (2017) Gi = £ 7'000.