Great Britain 1844 1d Mulready Lettersheet (Forme 1, Stereo A14), SG ME1var.
A very fine used with Atlas Assurance Company advert within (MA103i), cancelled contrary to regulations with a London City "6" numeral struck clear of Britannia and addressed to Market Harborough.
Backstamped by Lombard Street dispatch circular date stamp dated "MY.27.1844" and a faint Market Harborough circular date stamp in red on the front for the following day.
A particularly attractive and scarce late usage of the Mulready, used during the first month of the new barred numeral cancellations which replaced the Maltese Cross in May 1844.
