Unknown coin [opgelost]

Small copper coin, probably Roman, approx. 15 mm

Polish–Lithuanian Commonwealth - Jan II Kazimierz Waza — First złoty (1649-1668)
https://en.numista.com/catalogue/pieces119354.html something like that coin.
I see on your first picture a curly-haired portrait facing right with CAS REX lettering.

I guess second image was a horse and rider galloping to left, like some of these ...
https://en.numista.com/catalogue/index.php?mode=avance&p=1&l=&r=&e=pologne-lituanie&d=&ca=3&no=&i=*CAS+R*&v=&m=Copper&a=&t=&dg=&w=&u=&f=&g=&c=&tb=y&tc=y&tn=y&tp=y&tt=y&te=y&cat=y
rather than the alternative reverse with an eagle.

Citeer: "ZacUK"​Polish–Lithuanian Commonwealth - Jan II Kazimierz Waza — First złoty (1649-1668)
​https://en.numista.com/catalogue/pieces119354.html something like that coin.
​ I see on your first picture a curly-haired portrait facing right with CAS REX lettering.
​
​ I guess second image was a horse and rider galloping to left, like some of these ...
​https://en.numista.com/catalogue/index.php?mode=avance&p=1&l=&r=&e=pologne-lituanie&d=&ca=3&no=&i=*CAS+R*&v=&m=Copper&a=&t=&dg=&w=&u=&f=&g=&c=&tb=y&tc=y&tn=y&tp=y&tt=y&te=y&cat=y
​rather than the alternative reverse with an eagle.

​My God, you are incredible! Thanks!