cover 1894 (28 Mar.) envelope from Tshiromo to Scotland, bearing 1891 2d. and 4d. sharing "851" obliterator and showing superb "TSHIROMO/B.C.A." double-ring d.s. alongside with, on reverse, Tshinde (11.4) and Cape Town transit c.d.s.; some grime on face panel and a few minor faults