onkia of Syracuse, 410 BC and later

Obv. hd female hair bound in sphendone, SURAKOSI
Rev. trident ornamented, in field left two palmate branches, at the right W

Calciati 31     1.94 g    Calciati 31

Also attributed to Agathocles, but
pellet, style and possible signature on some exemplars against this attribution.  

1st specimen
2nd specimen (with pellet on rev. field right)