Akanthos, Macedonia. ca 424-390 BC. AR Tetradrachm 14.52 g. 

Lion, right, attacking and biting into the hindquarters of a  
bull which is still standing left. EYK above, ornate waved line in exergue.
AKA-NQ-I-ON around quadripartite square, the quarters granulated. 

Not in Desneux with EYK above. Desneux 118-120 var. CNG 61, 393.

With permission of cngcoins.com, auction Mail Bid Sale 61, Lot 393, Sept 2002.

Several other examples have been sold since this first 
example was sold at auction in 2002.