Plato, Baktrian Kingdom, ca. 145-140 BC. AR Tetradrachm. 16.91 gr.

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

SNG ANS 627. 
Extremely rare. 

With permission of Ira & Larry Goldberg, Auction 69, May 2012.