Great Britain 1840 2d Mulready Envelope (Forme 1, Stereo a203), SGME4Great Britain 1840 2d Mulready Envelope (Forme 1, Stereo a203) SGME4. Very fine used example sent from Guernsey to Kensington, beautifully cancelled by a superb red Maltese Cross with a lightly struck Kingston Penny Post handstamp alongside. Back stamped with a Guernsey circular date stamp for JU. 5. 1840. Very rare Channel Island usage believed to be unique as the only recorded 2d Mulready used sent from Guernsey. An important piece of early British