Great Britain 1840 1d Mulready Lettersheet (Forme 3, Stereo A36), SGME1Great Britain 1840 1d Mulready Lettersheet (Forme 3, Stereo A36), SGME1. A very fine used example sent from London to Killarney neatly cancelled by a red Maltese Cross with a "Sth. Audley St" receiving house handstamp. Backstamped by a London dispatch circular date stamp for 'MY. 9. 1840.' a Dublin transit datestamp for the first Sunday MY. 10. 1840. and a Killarney arrival circular date stamp for the following day. A very scarce and attractive "May