Watch List notes:

Islands off Thrace, Thasos (after 146 BC), AR Tetradrachm, head of Dionysos right, rev. Herakles standing right, with club, M in left field, 16.98g, 12h (SNG Copenhagen 1039; BMC 72ff; HGC 6, 359), well-centred on a dusky toned flan, a really bold very fine.
Provenance
Gorny and Mosch, Auction 253, 5 March 2018, lot 98
Estimate: £150 - £250