ISLANDS off ELIS, Kephallenia. Kranion. 4th century BC. AE14, 2.63 g. 

Crested helmet right
Large K in linear square within linear circle; all in shallow incuse 
circle. 

BMC 24.

Ex M.P. Vlasto Collection.

Used with permission of CNG (cngcoins.com), CNG 76, Lot: 564, Sept. 2007.