Ainos, Thrace, AR tetradrachm, 455-453 BC. 25.5mm, 15.67 g. 

Head of Hermes right, wearing petatos.
AINI, Goat standing right, herm of Hermes right in right 
field, all within incuse square.

May 73; AMNG 260; Warren 458; Boston 771 (same dies).

Baldwin's Auctions Ltd - Auction 99, Lot 92, April 2016
Estimate: £1500-1800