The numeral in triangle canceller of the Transvaal 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: Kantey, B. A., (pg. 3-8)Published in: Volume 20, Issue 1, pg. 1-19, 1985