cover 1885 (May) blue OHMS (deleted) envelope from a Captain in the Diamond Field Horse to England, headed "on active servise no stamps available", showing "BARKLY/G.W." c.d.s. (3.5), circular-framed "6d", "B16" barred oval and, on reverse, Cape Town transit c.d.s. (6.5); minor creases. Rare. Photo