1840 1D GREY-BLACK PL.1A (SG3)(HG) ON LARGE PART LETTER USED IN LONDON. Large part letter used in London addressed to 'Mr Wilmot, House Agent Grosvenor Street West Eaton Square' with very fine 1d grey-black pl.1A (SG3) lettered HG with fine margins, tied fine strike red-orange Maltese Cross. On front good strike 'T.P/Mount St GS' receiver's hand stamp in black, on reverse London date stamp JY 17 1840. Slight creasing. (Ref 119986).