Greek Italy.   Northern Lucania, Paestum.    AE Semis, c. 2nd century BC.   Obv.    Laureate head of Neptune to right; S behind.        Rev.   S-Q flanking decorated trident; below, ΠAIS.     HN Italy 1220; SNG ANS 728; HGC 1 1205.     4.31 g.   19 mm.      R.  Green patina.    VF/Good VF.