It means Charles (Carolus) Emmanuel the Fourth (Ruled for four years from 1796-1800). REX would be king, and SAR CYP IER would be abbreviations I should think. So this is just a coin for the Sardinian King Charles Emmanuel IV.
Don't know if you knew that or if that helped.
"In my opinion, sir, any officer who goes into action without his sword is improperly dressed"
-Jack Churchill, on his assault of a Nazi german camp riding a motorcycle with his bow and arrows, scottish claymore and bagpipes
Thanks all for the help.
I have found this:
2 denari
Savoye, under the rule of Sardinia
Carlo Emanuelle IV (1751-1819)
1799
Legend:
CAROLUS.EM.IV.D.G REX.SAR.CYP.ET.IER
Carolus Emanuelle IV by the grace of god, king of Sardinia Cyprus et Jerusalem
Non est totum quod splendet ut aurum
Rijkdom bestaat niet uit het hebben van veel bezittingen, maar in het hebben van weinig behoeften