1872年汇丰银行1元(背紫),编号3139,PMG 12NET,有鏽,首发年份,罕见。The Hongkong and Shanghai Banking Corporation,$1, 1.10.1872, serial number 3139, grey and orange, coat of arms at upper centre, $1at each side, $1in orange at central left and right, black printed manuscript signature lower right and hand signed at lower left, reverse violet,(Pick 111), PMG 12NET Fine (Rust) and the very first date of issue. Very scarce