Selymbria, Thrace, AR octobol. 15 mm, 4.79 g. ca 492-470 BC. SA above rooster standing left. Quadripartite incuse divided by two lines into four squares. BMC 1; Schönert-Geiss 16-18; Paris 1364; Babelon II-1, 1791. With permission of Leu Numismatik AG Auction 6, Lot 62, Dec. 2018.