Watch List notes:

TROAS. Kebren. 5th century BC. Hemidrachm (?) (Silver, 11 mm, 1.75 g). Head of a ram to left. Rev. Quadripartite incuse square. BMC 2. Klein 311. SNG von Aulock 8735 (as 'uncertain mint'). Rare and very attractively toned. Extremely fine.