HONG KONG 1978 (MNH) $20 PINK & BROWNISH BLACK PLATE 1B–1B BLOCK
$20 Queen Elizabeth II plate 1B–1B block x 4, pink and brownish black, spiral multiple crown and CA upright watermark. Fresh and fine. Mint never hinged. SG324e; SC288a; YG260
Note: released 20 April 1978 in London