Watch List notes:

Thrace, Byzantion AR Tetradrachm. Circa 387/6-340 BC. Bull standing to left atop dolphin; 'ΠΥ above / Stippled quadripartite incuse square. Cf. Schönert-Geiss 650-711; HGC 3.2, 1386. 15.13g, 23mm.

Very Fine. Unpublished monogram.

Ex Thrax Collection (formed in London between 1991 and 2018), Roma Numismatics Ltd., E-Sale 58, 20 June 2019, lot 524;
Ex Numismatik Naumann, Auction 49, 8 January 2017, lot 69.