Halicarnassus, Caria, AE17, (4.37g) late 2nd-1st century BC, 

Head of Poseidon right. 
ALIKAR ECTI, Trident, ornamented with volute on either side
of handle, dolphins between prongs. 

Sear SG 4881 var; BMC 21-22. 

Contributed by Roma Numismatics, September, 2018