2008年中国银行北京奥运纪念香港20元及澳门20元4连体钞,编号以646作结,UNC,连原包装。Bank of China, a set of Beijing 2008 Olympics commemorative banknotes, an uncut sheet of 4x $20, serial numbers AA441646, AA456646, AA461646, AA471646, and an uncut sheet of 4x 20 patacas, serial numbers CN441646, CN456646, CN461646, CN471646 with original presentation folder,(Pick 340c and 107b), uncirculated, in their original cardboard packaging (2 uncut sheets of 4 notes)