Methymna, Lesbos. AR Tetartemorion, 6 mm, 0.25 g. ca 480-460 BC. 

Facing head of Silenos.
Bunch of grapes in incuse square. 

Göktürk 52 in Anadolu Vol. 1998; Anatolian Museum inv. 120.30.4.95.

Sold by Gorny & Mosch auction 204, Lot 1486, March 2010.