~Old Greek Coin Amulet...

-Size is 20mm in diameter (not including loop)
-Sterling Silver
-Oxidized

We now have some info on this super cool ancient replica!

Seljuq (Seljuk) of Rum, Kaykhusraw II, AR dirham (lion & sun type), Sivas mint AH 641 (AD1243)

Lion advancing right, personification of sun facing with only one star between lion's legs and two stars on each sides of the Sun, over the sun, in Arabic, the name of Abbasid Caliph (al-Must'sim AH640-656)

in Bulky Arabic letters: "al-Sultan al-A'zam, Kaykhusraw ibn Kayqubad" in the center. Date and mint on margins

of special interest: His title was Ghiyath al-Din. Sun & lion type for this ruler was struck only at Sivas & Konya in AH638-641.