Great Britain 1965 1s6d Salvation Army Centenary (Phospor) imprimaturs, SG666pvar Ionian Islands stamps 240 of SG 14ab)

240 of SG 14ab)

Great Britain 1915 10s Deep Blue "Seahorses"

A fine mint pair with good to large margins and brilliant fresh part original gum

Great Britain 1890 10s ultramarine (I

Great Britain 1965 1s6d Salvation Army Centenary (Phospor) imprimaturs, SG666pvar Ionian Islands stamps 240 of SG 14ab)Great Britain 1965 1s6d Salvation Army Centenary (Phospor), SG666pvar. Superb unmounted mint full original gum left hand marginal imperforate horizontal pair of imprimaturs showing "Extra Pearl" variety in position R. 17 1, each stamp with a "BPMA" handstamp on reverse. A scarce horizontal pair from the very first approved printing sheet. Exceptional provenance as they were released from the British Postal Museum Archives in 2014. Prior to this they