Nickel brass is a gold colored copper-zinc-nickel alloy. The color depends on an amount of nickel present. Nickel brass alloy 2% is darker than nickel brass alloy 6%. Nickel brass is less subject to tarnishing than than brass, so there is no discoloration over time.
Nickel brass alloys have the quality advantages of brass, but are considered to be safe alloys. Nickel brass tokens are difficult to copy because the alloy is only produced for secure coinage applications.
Nickel brass has a specific electromagnetic signature allowing electronic coin validators to distinguish these from other coins.
We have the two most common types of nickel brass on stock: