Dealers often sell this as a complete four-coin set, but it combines two official People's Bank of China circulating commemorative pairs: two coins for the Hong Kong SAR issued on 1 July 1997, and two for the Macau SAR issued on 10 December 1999. Each coin has a face value of 10 yuan RMB and uses a bimetallic copper-alloy construction about 25.5 mm across.
1997 Hong Kong SAR coins
The common side carries “People’s Republic of China”, a bauhinia and the year 1997. One thematic side shows the Hong Kong Basic Law with peonies; the other presents the Victoria Harbour skyline. The pair is distinguished by swapping the brass centre / cupronickel ring colours.
1999 Macau SAR coins
The common side uses the lotus emblem and 1999 date. One reverse pairs the Macau Basic Law with local architecture and a bridge; the companion coin shows A-Ma Temple and a sailing junk with the handover date 1999.12.20.
Collecting the four-coin group
- Each official two-coin issue had a mintage of about 20 million sets, so matched uncirculated surfaces matter more than basic rarity.
- Check for four matching coins without centre-ring separation, heavy spotting or edge damage; total face value of the group is 40 yuan RMB.
- These are renminbi circulating commemoratives, not Hong Kong dollar or Macau pataca issues.