MYSIA. Kyzikos (Circa 450-400 BC)
AR Hemiobol (7.7mm 0.43g)
Obv: Forepart of boar left; to right, tunny upward.
Rev: Head of roaring lion left; all within incuse square.
Von Fritze II 14; SNG France 373
Provenance : Aquila Numismatics - Auction 14 . 
Certificate of authenticity and provenance included .