Plato, Baktrian Kingdom, ca. 145-140 BC. AR Tetradrachm. 16.84 gr.

Diademed, draped bust of Plato right.
BASILEWS EPIFANOUS PLATWNOS, Helios standing facing in facing 
quadriga, YH monogram in left field. 

Mitchiner 198; Bopearachchi série 1, 1. 
Extremely rare. 

With permission of Numismatica Ars Classica - Auction 77, May 2014.