Methymna, Lesbos. AR Tetartemorion, 6 mm, 0.29 g. ca 480-460 BC.

Facing head of Silenos.
Quadripartite incuse square. 

Göktürk 51 in Anadolu Vol. 1998; Anatolian Museum inv. 149.2.1.95.

With permission of Gitbud & Naumann Auction 24, Lot 180, Nov. 2016.