Watch List notes:

Thrace, Selymbria AR Triobol. Circa 492-470 BC. Cockerel standing to left; [Σ-A] across upper fields / Quadripartite incuse square. Schönert-Geiss, Bisanthe 24 (V1/R2); HGC 3.2, 1630 (R2). 1.52g, 12mm.

Near Very Fine . Exceedingly Rare; no other examples on CoinArchives.

From the inventory of a German dealer.