The 1992 edition of Gibbons Part I 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: Drysdall, A.R. and MacGregor, A., (pg. 119)Published in: Volume 27, Issue 1, pg. 1-26, 1992