Berenice I or II, AE hemiobol, Kyrene mint. ca 244-221 BC. 19mm, 6.08 g.

No legend, diademed and draped bust right.
BASILISSHS BERENIKHS, rudder, monogram of Magas below, all within wreath. 

Svoronos 321 (Berenike I).

With permission of cngcoins.com., Dec 2007
Estimate $150.