1989及91年汇丰银行20元一对,及渣打银行1985年20元,编号BM528569, CD031310及K931238,均评PMG 66EPQ。 The Hongkong and Shanghai Banking Corporation, a pair of $20, 1.1.1989 and 1.1.1991, serial numbers BM528569 and CD031310, also Standard Chartered Bank $20, 1.1.1985, serial number K931238,(Pick 192c, 197b, 279a), all graded PMG 66EPQ Gem Uncirculated (3)