I want to set my 10 zl 25 lat Ludowego wojska polskiego from 1968 How do i do that? [Risolto]

How do i do that? I have seen that this coin is REALLY Rare and i want to have that coins as a "in my collections" coin, can anyone help me out?

might be low mintage, but rare? No not really, nor valuable
https://en.numista.com/catalogue/pieces9814.html
https://www.ngccoin.com/price-guide/world/poland-10-zlotych-y-60-1968-cuid-1087689-duid-1570499

this one?
https://en.numista.com/catalogue/pieces104085.html

Cita: "PetrusAscanus"​might be low mintage, but rare? No not really, nor valuable
​https://en.numista.com/catalogue/pieces9814.html
​https://www.ngccoin.com/price-guide/world/poland-10-zlotych-y-60-1968-cuid-1087689-duid-1570499
​

​maybe he got "Pattern"^^

Damn it! I looked closer at the coin there was no "test" on the right side of the polish eagle, well, if will try to see if i will find another coin that's rare in my "old coins box"