Archelaus, King of Cappadocia. 36 BC-17 AD. AR hemidrachm. 
Dated year 39 (AD 3-4). 

Head of Herakles right, lionskin around neck.
BASILEWS ARXELLOY, Mount Argaeus. L-Q across fields.

RPC 3607; Simonetta 7; Paris 210.

Very rare. 

Courtesy of the Bibliotheque Nationale, Paris, gallica.bnf.fr.