2009年汇丰银行20元一组8枚,AA字轨细号码00012-000017,及000019-000020,UNC品相。The Hongkong and Shanghai Banking Corporation, a group of 8x $20, 1.1.2009, superb low serial numbers bearing the highly coveted AA prefix, 000012 to 000017, 000019 and 000020,(Pick 207f), all choice uncirculated (8)