Mithradates I Tetradrachm, issued under Mithradates I — Silver, 171–138 BCE, mint of Seleucia-on-the-Tigris
Parthian (Arsacid) Empire

Mithradates I Tetradrachm

First king to title himself 'Great King'.

Key specifications for Mithradates I Tetradrachm
Date171–138 BCE
Ruler / issuerMithradates I
MintSeleucia-on-the-Tigris
MetalSilver
Weight~4.1 g (drachm) / ~16 g (tetradrachm)
EraParthian (Arsacid) Empire (247 BCE – 224 CE)
RegionIran, 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.

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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.

Source

Commons – Mithradates I