1970-75年渣打银行伍拾圆,A版,PMG64。The Chartered Bank, $50, no date (1970-75), serial number A0802330, blue and multicoloured, coat of arms at centre, bank buidling at left, watermark of helmeted warrior at right, reverse blue, buildings at centre,(Pick 75a), PMG 64 Choice Uncirculated, the first A prefix