Description:
By the late Dr G.H. Jonkers and W.J. Quik; published in 1998? by the Filatelistenvereniging Zuidelijk Afrika, PO Box 33223, EE Rotterdam, The Netherlands; no price given. The text is in both English and Afrikaans. Softbound, A4, 76pp. ISBN 90-803152-4-9. continued on page 70