Persian Treasury
فارسی11 eras

Parthian (Arsacid) Empire
Mithradates I Tetradrachm
First king to title himself 'Great King'.
| Date | 171–138 BCE |
|---|---|
| Ruler / issuer | Mithradates I |
| Mint | Seleucia-on-the-Tigris |
| Metal | Silver |
| Weight | ~4.1 g (drachm) / ~16 g (tetradrachm) |
| Era | Parthian (Arsacid) Empire (247 BCE – 224 CE) |
| Region | Iran, Mesopotamia, Armenia |
Obverse and reverse
Obverse
Diademed bust left in Greek style.
Reverse
Archer Arsaces seated on omphalos; Greek legend BAΣIΛEΩΣ ΜΕΓΑΛΟΥ.
Historical context — Parthian (Arsacid) Empire
The Arsacid kings issued silver drachms and bronze chalkoi at Ecbatana, Seleucia, Susa, Mithradatkart and Rhagae. Reverse types are remarkably consistent: the seated archer Arsaces.
Read the full Parthian (Arsacid) Empire essay →Frequently asked
- What is the Mithradates I Tetradrachm?
- First king to title himself 'Great King'. It was struck in 171–138 BCE at Seleucia-on-the-Tigris under Mithradates I.
- What metal and weight is it?
- Silver, weighing approximately ~4.1 g (drachm) / ~16 g (tetradrachm).
- What designs appear on it?
- Obverse: Diademed bust left in Greek style. Reverse: Archer Arsaces seated on omphalos; Greek legend BAΣIΛEΩΣ ΜΕΓΑΛΟΥ.