1933-36 Voortrekker Fund 3d+1½d PRINTERS PRESENTATION SPECIMENS (GOEBEL AG, DARMSTADT), the stamps in VF/UM pair each stamp handstamped SPECIMEN (Samuel Type SA5, 14½x2¼mm) in violet. An exceedingly rare specimen apparently emanating from defaced stamps given by the Government Printer, Pretoria, to Goebel AG, supplier of the printing machinery.
