Abdera, Thrace. AR diobol. ca. 395-360 BC. 12 mm, 1.25 g. Magistrate Protes. 

Griffin springing left.
PRWTHS, Bull's head within shallow incuse square. 

May 338; AMNG II 129; SNG Cop 345. 

With permission of VAuctions auction 332, Lot 41, Sept. 2018.