Antiochos I, Seleukid Kingdom. AE13. 280-261 BC. 1.54 g. Aļ Khanoum mint. 

Helmeted head of Athena right.
No legend, owl standing right, head facing. 

Hoover HGC 211; SC 444.
Very Rare.

With permission of cngcoins.com, auction 57, Lot 565, April 2001.

Note: In Revue Numismatique 1980, Bernard places this coin in the "pre-seleukid Baktrian" section.