Otto’s ‘1d black jacket’ revisited (Plate Ax) and a possibly related but unrecorded plate, ‘1d rose’ (Plate Ay) Become a memberEnjoy the benefits of membership for just £10.00 per year TSC libraryView our back numbers catalogue. Member downloads available Visit our blogFind out more about the fascinating story of Transvaal postage history Author: Larking, B., (pg. 31-39)Published in: Volume 54, Issue 1, pg. 1-42, 2019