An invalid stamp on a postcard sent to Returned Letter Office, Johannesburg 28 SEP. 08 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: Board, C., (pg. 18)Published in: Volume 54, Issue 1, pg. 1-42, 2019