Greco-Baktrian Kingdom, Diodotos I Soter
AR Tetradrachm circa 255-235 BCE
15.32g, 29mm, 6h
In the name of Antiochos II of the Seleukid Empire. Mint A (near Aï Khanoum), Diademed head to right / Zeus Bremetes advancing to left, brandishing aegis and thunderbolt; ΒΑΣΙΛΕΩΣ to right, ΑΝΤΙΟΧΟΥ to left, monogram above eagle at inner left.
Kritt A6; Holt Series A, Group 6; Bopearachchi 2E; Mitchiner 64d; SNG ANS 77-8; SC 631.1a.
Ex Neil Collection

Diodotos I started the greco-baktrian kingdom, which existed in modern-day Pakistan and Afghanistan. A lot of what we know about this kingdom is through coins.