Nordic gold (Cu89Al15Zn5Sn1) is a relatively new metal alloy made to get the same gold-like color as with nickel - only without nickel (since it causes allergic symptoms).
Nordic gold consists of:
and was developed by Outokumpu Copper of Sweden.
Nordic gold is mainly used on coins, with the latest addition (at the time of writing) of 10, 20 and 50 cent Euro coins.