Seuthes III, King of Thrace, AE 19, 5.88 g. 330-295 BC. 

Laureate head of Zeus or Seuthes right. 
SEYQOY, Horseman right, wreath below.

SNG BM Black Sea 319; Sear SG 1725; SNG Cop 1072; BMC 2.

With permission of Numismatik Lanz München auction 165, Lot 18, Dec. 2017.