Caligula AE18 of Tomis, Thrace-Moesia. AD 37-41. 3.60 g. 

GAIOC KAICAR, laureate head right.
TOMITWN HGHTO, the Dioskuri on horses galloping right.

RPC I 1825; Varbanov 4631; AMNG 2577, Mouchmov 1789.

With permission of cng, auction 374, Lot 359, May 2016.