Great Britain 1840 1d Mulready envelope, Forme 4 Stereo A177, SGME1var.
Very fine used example sheet from Worsley to Grasmere. Cancelled at lower left of Britannia contrary to regulations by a Manchester transit circular date stamp for OC.10.1868, neatly endorsed alongside with a manuscript "2" postage due charge.
Backstamped by a Worsley dispatch circular date stamp for OC.10.1868.
A spectacular late usage Mulready.
GB Specialised Catalogue No: ME2var.
Accompanied with a 2008 British Philatelic Association (BPA) Certificate of Authenticity.