cover 1858 (12 Aug.) cover from Graham's Town "p. Cape Mail" addressed to Derby, bearing 1/- bright yellow-green, good margins all round, with black triangular cancellation; cover backstamped Graham's Town red oval (indistinct), Cape Town, Cape Packet Devonport and Derby (indistinct), showing London transit c.d.s. on the front; cover with slight vertical bend clear of the triangular.