Agathokles, Syracuse, Sicily. Electrum 100 litrae. ca. 317-289 BC. 19mm, 6.70 g. 

SYRAKOSIWN, laureate head of Apollo left, lyre behind head.
SWTEIRA, diademed head of Artemis right, quiver and lyre  behind head.

Basel 508 (this coin); Boston 446.

With permission of UBS Gold & Numismatics auction 72, Lot 202, Sept. 2007.