★ First known specimen ★

ASIA MINOR. Uncertain. (circa 550-400 centuries BC)
AR Hemiobol (6.7mm 0.3g)
Obv: Gorgoneion.
Rev: Head of cock right in incuse square.
Numismatik Naumann, Auction 11, lot 212 (tetartemorion); otherwise unpublished in the standard references; first know specimen this weight
Extremely Rare