Mesembria, Thrace, AR diobol. 450-350 BC.

Crested helmet facing.
Quadripartite radiate wheel. M-E-S and swastika between 
radiate-spokes, within linear circle, 

Babelon Traité II-4, 1663; BMC Thrace, 4

Contributed by a friend of Geoffrey Bambrook, Jan 2013.