The Collectors Coin is minted in the high-grade alloy ALPACA12.
This alloy with a silvery aspect (64%Cu - 12%Ni - 24%Zn) has a nice appearance and is furthermore
very hard and highly resistant to corrosion.  
The coin is minted in a diameter of 31.00mm and a thickness of 2.30mm, with a milled edge.   
The reverse side of the coin is universal for each nation. It shows the outline of the nations’ border.