GREAT BRITAIN 1966 (VARIETY) 4D BRITISH BIRDS BLOCK MISSING BLACK, BLUE, BISTRE AND BROWN
4d British Birds ordinary block x 4 missing black, blue, bistre and brown (resulting in the loss of value, inscriptions and significant detail from all the birds). The most spectacular of the British Birds varieties. Scarce. Fresh and fine. Mint never hinged. SG696ab; SC464avar
