Watch List notes:

THRACE, Mesambria. Circa 100-72/1 BC. AR Tetradrachm. In the name and types of Alexander III of Macedonia. Diod–, magistrate. Head of Herakles right, wearing lion skin / Zeus Aëtophoros seated left; ∆IO∆ in inner left field, MEΣAM in exergue. Karayotov I 308–10 var. (O94/R– [unlisted rev. die]); Callataÿ Group 4, dies D4/R– (unlisted rev. die); Price 1128 var. (∆IO in inner left field); HGC 3, 1570. In NGC encapsulation 4680498-042, graded Ch VF. Unpublished variety with ∆IO∆.