Auction 309-320 - Australian States & Commonwealth British Africa, St. Helena - Day 1

1873: 4 d. carmine, wmk. Crown CC inverted & reversed, perf. 14½ x 12½, Thick Bars surcharge (B), an unused block of six (3 x 2), marginal from right of sheet, all overprinted "SPECIMEN" horizontally in blue-black (Samuel type SH2), centred to left, fine colour, superb large part og. A most attractive and scarce multiple.