GREAT BRITAIN 1973 (VARIETY) 3P BRITISH EXPLORERS LIGHT ORANGE-BROWN SHIFT
3p British Explorers right marginal block x 4 with light orange-brown shift resulting in shadow-like effects around the men's faces, extended hairlines (particularly Livingstone's), and a mottled pattern within the '3p' of the Stanley design. Scarce. Fresh and fine. Mint never hinged. Offered with normal block. SG923avar; SC690avar