2012年中国银行100元一对,相应编号225552,一枚没有字轨,一枚有AA字轨,中国银行成立一百週年纪念钞,PMG皆评66EPQ Bank of China, Hong Kong, matching serial number pair $100, 5 February 2012, Commemorative issue for the centenary of the Bank of China, one with AA prefix, both serial number 225552, (Pick 346), both graded PMG 66EPQ Gem Uncirculated (2).