Seuthes III
Seuthopolis
AE 19 mm, 6.04 g
Diademed and bearded male head to right.
Rev. ΣEYΘOY Horseman riding horse galloping to right; below horse, wreath.
Dimitrov 9. HGC 3, 1713. SNG Copenhagen 1072. Topalov 122
This is a very broad category since there were a number of kings of Thrace of various lines, several of which existed simultaneously.
However, Seuthes III did call himself king, unlike many of the other rulers, so I’m referring to him here. It’s uncertain the previous and post succession.