Watch List notes:

ANCIENT COINS. A Selection of Syracuse Tetradrachms from an Old Collection. Signed by the Artist Phrygillos. Sicily, Syracuse (Second Democracy, 466-405 BC), Silver Tetradrachm, struck c.415-405 BC, obverse die signed by Phrygillos, ΣVPAKOΣION, head of Arethusa facing left, her hair in a sakkos, and wearing an ampyx inscribed with ΦPY, four dolphins swimming around, rev charioteer, wearing a long chiton and holding a kentron and the reins, driving a fast quadriga left, Nike flies above to right to crown the charioteer, a grain-ear in the exergue, 17.10g, 5h (Tudeer 53 (18/32); Rizzo, pl. XLIII, 13, this obverse die; Antikenmuseum Basel, 461, these dies; SNG ANS 278, these dies).Reverse a little off-centre, attractive light toning, beautiful classical style, about extremely fine and rare.
ex F Sternberg, Auction XX, Zurich, 20 April 1988, lot 396
It is possible that the artist of this obverse die, Phrygillos, could have been the same individual who was a noted engraver of precious stones.

Estimate: £3500-4500