Great Britain 1840 1d Mulready Letterhead First Day of Usage, Forme 2, Stereo A27, ME1Great Britain 1840 1d Mulready Letterhead Forme 2, Stereo A27, ME1. A very fine used example sent within London to Ratcliff Highway, Wapping. Neatly cancelled by an oily red Maltese Cross with a blue "T. P. Charles St West" receiving office handstamp at lower left. Backstamped with a London dispatch datestamp for 'MY. 6. 1840', (First day of issue). A very fine example of the Mulready on the first day of postal usage, with such covers being notorious