1977年渣打银行100元,编号L521536, 正面图案加印在背面错体,PMG55EPQ. 香港纸币. The Chartered Bank, $100, 1.1.1977, serial number L521536, a spectacular error in which the obverse is brockaged onto the reverse. The reverse printing is complete.(Pick 76b), PMG 55EPQ About Uncirculated