5 groschen

6 posts
https://en.numista.com/catalogue/pieces744.html
We have this coin, made of Zinc, but i have one and i saw many made of Alluminum in 1989


But they have the same KM number
is a mistake?
How did you tell that it was Aluminium?
Catalogue administrator
They are all from Zinc, SpuDy. When uncirculated, coin made of zinc has a similar look to one made of aluminium.
引用する: "Jarcek"​How did you tell that it was Aluminium?
https://www.allnumis.com/coins-catalog/austria/republic-1981-1990/5-groschen-1985-29751
It has same weight and other dimensions. And of course, new Zinc look.
Catalogue administrator
Hello,
Yes, only late 10s and 2s out of alu.
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