Great Britain 1840 1d Mulready envelope & 2d Mulready letterhead, SGME2/3 Literary A fine used example other

A fine used example other than a few slightly shortish perforations

Very fine unmounted mint with full original gum top marginal block of four imperforate imprimaturs with 'NPM IMPRIMATUR' handstamp on reverse released from the National Postal Museum

with part of the flap missing

A scarce surcharge stamp as only 2

A superb mint example of the 1882 5 shilling from the rarer printing plate 4 on blued paper

Great Britain 1840 1d Mulready envelope & 2d Mulready letterhead, SGME2/3 Literary A fine used example otherGreat Britain 1840 1d Mulready envelope (Forme 4, Stereo A175) & 2d Mulready letterhead (Stereo A99), SGME2 3. Very fine unused pair of Mulready's, both endorsed in manuscript at foot "Proof" over value tablet. Scarce examples from the dawn of the prepaid postal system. Provenance: Ex. Shaida & "Mayflower" Gold Medal Grand Prix Collection. Accompanied with a 1994 British Philatelic Association Certificate of Authenticity (in respect of the 2d