Pyrrhos, Kingdom of Epeiros. AR didrachm, 297-272 BC. 8.19 g. Struck in Lokris Epizephyrioi.

Helmeted head of Achilles left, with griffin left on bowl of helmet. A below.
BASILEWS PYRROY above and beneath Thetis reclining left on the back of a hippocamp leaping right, holding the shield of Achilles.

Mionnet II, 22; BMC (Thessaly) 8; Hoover HGC 262; SNG Lloyd 657; Jameson 1128.
Very rare.

With permission of M&M Numismatics Ltd, The New York Sale 
XXVII, Lot 341 (The Prospero Collection of Ancient Greek Coins), Jan. 2012.