Thrace, Selymbria AR Tetrobol. Circa 492-470 BC. Cockerel standing to left; ΣA above / Quadripartite incuse square. Schönert-Geiss, Bisanthe 19-22 (V-/R- [unlisted dies]); HGC 3.2, 1630 (R2); cf. Roma 58, lot 806 (cockerel to right). 2.88g, 14mm.
Near Extremely. Exceedingly Rare; no other examples on CoinArchives and only three such specimens cited by Schönert-Geiss.
From the inventory of a German dealer.