1937 KGVI Coronation 1d grey-black & carmine (SG 72). VF/UM top left horizontal bilingual pair AUTOGRAPHED BY DESIGNER (J PRENTICE) in margin. Lightly M in margin only. A scarce & attractive addition to a display of this generally less-than-exciting period of South African philately! Joe Prentice was chief designer for the Government Printer, responsible for production of South Africa's stamps in this period.