Plato, Baktrian Kingdom, ca. 145-140 BC. AR Tetradrachm. 16.70 gr.

Diademed and draped bust right, wearing helmet adorned with bull's horn and ear.
BASILEWS EPIFANOUS PLATWNOS, Helios standing facing in facing 
quadriga, MT monogram in upper right field, MZ in exergue. 

Bopearachchi 3A; SNG ANS 631. 
Extremely rare. 

With permission of cngcoins.com, Mailbid Sale 84, May 2010.