Lot 20090 – 1918 Bradbury, Wilkinson Imprimaturs from the National Postal Museum Archives

1918 Bradbury, Wilkinson Imprimaturs from the National Postal Museum Archives 2s6d olive-brown, 5s rose-carmine and 10s dull grey-blue, each in top right corner sheet marginal blocks of four, first printing on dry paper (1926), each stamp with « N / P / IMPRIMATUR » hs on reverse, and the stamps unmounted; some marginal faults and the 5s and 10s both with one stamp creased, otherwise fresh and fineA unique positional National Postal Museum blocks removed in 1984 Provenance: H. Shaida and « Chartwell »