Watch List notes:

THRACE, Mesambria. Circa 225-175 BC. AR Tetradrachm (28.5mm, 16.68 g, 1h). In the name and types of Alexander III of Macedon. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; in left field, crested Corinthian helmet right above ΔI. Karayotov I 49 var. (O19/R– [unlisted rev. die]); Price 1001; HGC 3, 1567. In NGC encapsulation 4682248-002, graded AU, Strike: 4/5, Surface: 3/5, brushed.

Ex Colin E. Pitchfork Collection (Classical Numismatic Group Electronic Auction 416, 14 March 2018), lot 35, purchased from David Hay, December 1994.