Ancient Greek coin - Athenian silver tetradrachm circa 449-431BC
Size: 23mm Weight: 16.8 grams
Obverse: Head of Athena in archaic style right, her helmet adorned in front withthree olive-leaves, and at the back with a floral scroll. One punch mark.
Reverse: AΘE, Owlstanding right, head facing, olive-spray and small crescent moonbehind, all within a square incuse. One small test cut and one punch mark