cover -- A23, with "Society For the Extinction of the Slave Trade, and for the Civilization of Africa" advertisement inside, used to Hurliston then re-addressed to Tenbury and affixed with 1840 1d. plate V, ML, good to large margins, tied by red Maltese Cross, showing London backstamp (2 Sept. 1840) and faint "TENBURY" c.d.s. (4 Sept. 1840), minor perimeter faults and toning and slight thinning on reverse, otherwise fine. Photo