Thracian Chersonesus. 4th century BC. AR hemidrachm. 

Forepart of lion right, head reverted, right foreleg raised.

Quadripartite incuse with X in one section
and caduceus in another. 

CNG 736957

Used with permission of CNG coins, www.cngcoins.com, May, 2008. Originally offered in CNG online store, item number 736957.
From Collection C.P.A.