Kings of Thrace, Rhoimetalkes III, with Caligula. c. 38-46. Æ 25mm (11,40g.) ΒΑΣΙΛΕΥΣ ΡΟΙΜΕΤΑΛΚΑΣ, laureate and draped bust of Rhoemetalkes to left. R/ ΓΑΙΩ ΚΑΙΣΑΡΙ ΣΕΒΑΣΤΩ, laureate head of Caligula to left. RPC I 1723; Youroukova 209. Good VF and very rare