2008年中国银行北京奥运纪念20元35连体钞,编号均以879作结,UNC,有微黄,连原装纸筒. Bank of China, uncut sheet of 35x $20, commemorative issue for the Beijing Olympics, 2008, HK prefix, serial numbers end with 879,(Pick 340a), uncirculated with mild toning, in original cardboard tube of issue