Proof Specimen -- imperforate printer's samples in issued colours, comprising 1d. (English), 2d. (Afrikaans), 3d. (E), 4d. (E), 1/- (A), 1/3d. (E), 2/6d. (A), 5/- (A), 10/- (A), 20/- (E), Air 3d. (A) and 10d. (E), all but the last perforated "SPECIMEN" (Type B1); 1d. with small thin and 1/- creased. A very rare and important group. Photo in colour