cover 1900 (8 May) "G. RIESLE, Watchmaker and Jeweller, Mafeking,C.C." corner card XU5 (faults) to Port Elizabeth (13.6 arrival) "via Bulawayo", bearing sans serif surcharge on Bechuanaland Protecrorate 3d. on 1d. strip of four applied diagonally across front and back of envelope (and therefore faulty), cancelled by c.d.s. and showing, on reverse, "BULAWAYO/RHODESIA" transit c.d.s. (11.5), rare "B.M./TELEGRAPHS" c.d.s. (15.5) as well as arrival c.d.s. S.G. 12. Photo