The Hongkong and Shanghai Banking Corporation, a group of 3 notes bearing the first AA" prefix, $10, 1.1.1985, AA263455, $50, 1.1.1985, AA 257688 and $500, 1.1.1987, AA786670,(Pick 191a, 193a and 195a), raw uncirculated with a minor toning spot at lower border, PMG 67EPQ and 64EPQ respectivley (3)