★ Very rare ★

*Unpublished in major references, just few specimens recorded by acsearch*
Asia Minor, Uncertain or Troas, Kolone, AR tetartemorion (Silver, 0.22g, 5mm) 5th century BC
Obv: Head of Athena right, wearing corinthian helmet.
Rev: Star within incuse square.
Ref: Slg. Klein - , SNG Kayhan - , cf. Hauck & Aufhäuser 15, 96 (hemiobol), cf. Dr. Busso Peus Nachfolger, Auctions 407/408, Lot 485