These are the

Hong Kong + Macau Return to China Bimetal Coin 4pcs 1997/99年 香港澳门回归纪念币 四件 面值40元 ACG 

in crisp UNC Condition (pls see Supersized scans, stock photo).



Hong Kong ACG MS66 Serial # 防伪码 : 2216511259418094, 2216938536409628


Macau ACG MS67 Serial # 防伪码 : 

2216604178538895, 2216439805435701


Stock code : BXOBJ




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