KYRENAICA, Kyrene. Circa 490-475 BC. AR Hemidrachm (9.5mm, 1.92 g, 6h). Attic standard. Silphion fruit / Head of female(?) right within incuse square. Unpublished in the standard references. Toned, rough surfaces, VF. Extremely rare.
Second known, another example sold by CNG , EA 561 , lot 329