BRUNEI 1969 (MNH) 50C SULTAN OMAR ALI SAIFUDDIEN PLATE 1–2 BLOCK IN BLACK AND BRIGHT ULTRAMARINE
50c Sultan Omar Ali Saifuddien III plate 1–2 block x 4, in black and bright ultramarine on ordinary paper with multiple St Edward's crown and block CA watermark, from 17 March 1969 printing. Fresh and fine. Mint never hinged. SG128a; SC111var
