Alpaka Öffentlichkeit Deposited
An alloy of copper, zinc, and nickel, and used in the composition of the twenty Heller piece of Austria of 1916.
- Frey's Dictionary (American Journal of Numismatics, Vol. 50, 1916)
An alloy of copper, zinc, and nickel, and used in the composition of the twenty Heller piece of Austria of 1916.
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