The Onafgehaalde Brieven Dept. and Transvaal Returned Letter Office 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: Van den Hurk, G. and Drysdall, A.R., (pg. 2-21)Published in: Volume 25, Issue 1, pg. 1-21, 1990