20 kopeks 1951 , pattern or not?

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Hey guys
How can you distinguish the pattern from the normal one?
Thank you!
Link please, I'm too lazy to look it up.....
Globetrotter
Coin varieties in French:
https://monnaiesetvarietes.numista.com
Quote: "Sjoelund"​Link please, I'm too lazy to look it up.....
​Metal content, but weights are virtually identical and because we don't know the % of the metals in each type, I'm not sure how they can be easily distinguished.
https://en.numista.com/catalogue/pieces5348.html
https://en.numista.com/catalogue/pieces94083.html
Maybe magnetic or not?
Quote: "kommodore"​Maybe magnetic or not?
​There are many similar alloys that are called nickel silver. They are an alloy of copper, nickel and zinc. The most widely used is 62% Cu, 18% Ni, 20% Zn. Nickel silvers are non-magnetic just like copper nickel (70% Cu, 30% Ni).
You'll have to find another 1951 but the "trial strike" has a design that is a bit further away from the rim.
You would need at least 56 percent nickel content before Cu-Ni alloy shows any ferromagnetic properties at ordinary temperatures.

Here s mine. Notice the strange silver look
Quote: "Idolenz"​You'll have to find another 1951 but the "trial strike" has a design that is a bit further away from the rim.
​You would need at least 56 percent nickel content before Cu-Ni alloy shows any ferromagnetic properties at ordinary temperatures.
​The border on the pattern coin is NOT rounded and the distances as said by Igolenz


Globetrotter
Coin varieties in French:
https://monnaiesetvarietes.numista.com
There's some on ebay: https://www.ebay.com/itm/154293611830?hash=item23ec9dad36:g:8IAAAOSwrhFgAfpX.

Looks like thats how they normally look, The CCCP is a bit lower on 1951

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