obol of Neapolis (Campania), 420-400 BC ca.

Obv. hd of Athena wearing Attic helmet
Rev. forepart of man-headed bull, NEOPO


Sambon ...    0.52 g     SNG British IV 138


                          BMC             94   r/r  a  0.75 g
                          BMC             95   r/r  a  0.70 g
                          BMC             96   r/r  a  0.65 g
                          BMC             97   r/r  a  0.55 g
Sambon ...                SNG British IV 138   r/r  c  0.52 g (this coin) 
Sambon 418                SNG ANS      I 308   r/r  b  0.71 g   
Sambon -                  SNG ANS      I 309   r/r  b  0.62 g
Sambon ...  Rutter 133    Dewing          93   r/r  c  0.62 g 


A.W. Hands (1909) describes 4 different types
(a) winged helmet
(b) crested helmet
(c) crested helmet adorned with laurel
(d) head left