Great Britain 1966 1s3d Battle of Britain (Ordinary) imprimaturs, SG678var Tonga stamps Features a particularly strong military

Features a particularly strong military section

A couple of minor envelope faults

A Marilyn Monroe handwritten and signed personal bank cheque

trio of contrasting shades

Great Britain 1966 1s3d Battle of Britain (Ordinary) imprimaturs, SG678var Tonga stamps Features a particularly strong militaryGreat Britain 1966 1s3d Battle of Britain (Ordinary), SG678var. Superb unmounted mint, with full original gum, left hand corner marginal "1A, 1B, 1C, 1D, 1E" cylinder block of six imperforate imprimaturs, each stamp with a "BPMA" handstamp on reverse. The ultimate in rarity being unique in this form. Exceptional provenance as they were released from the British Postal Museum Archives in 2014. Prior to this they were stored in the museum archives in