Phokaia, Ionia, AR obol, ca. 510-494 BC. 10.2 mm, 0.79g.

Archaic head of nymph right, wearing sakkos and earring.
Quadripartite incuse square.

Unpublished in the standard new and old sources. Forum Ancient Coins item GA71653.
 
Although this obol with the head right is unpublished in 
references, at least six examples have been sold at auction 
since 2006. Examples with the head right are approx. 0.8 g, 
not ca 1.3 g as the diobols with the head left.

With permission of Forum Ancient Coins online store, June 2016.