Tetrachalkon - Mithradates VI Dia

Tetrachalkon - Mithradates VI (Dia) -  obverseTetrachalkon - Mithradates VI (Dia) -  reverse

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Issuer Kings of Bithynia
Type Standard circulation coin
Years 85 BC - 65 BC
Value Tetrachalkon (1⁄80)
Currency Drachm
Composition Brass
Weight 8.4 g
Diameter 20 mm
Thickness 3 mm
Shape Round (irregular)
Technique Hammered
Orientation Variable alignment ↺
Demonetized Yes
Number N# 316855
Numista type number (https://en.numista.com/help/what-is-the-n-number-visible-in-the-catalogue-33.html)
References GCV# 3765,
David R. Sear; 2004. Greek Coins and Their Values / Volume 1. Europe. Seaby, London, United Kingdom.
And 1 more volumes.
SNG-B BlSe# 1560-1565,
Martin Jessop Price; 1993. Sylloge Nummorum Graecorum (Great Britain) / Volume 9.1. The British Museum. Part 1 : The Black Sea. British Museum Press, London, United Kingdom.
BMC Greek# 1-3
Reginald Stuart Poole; 1876. A Catalogue of the Greek Coins in the British Museum / Volume 2. Sicily. British Museum, London, United Kingdom.
And 26 more volumes.


Head of Zeus right, laureate.


Eagle standing left on thunderbolt, head right, wings outstretched; inscription in exergue; monogram in left field.

Script: Greek

Lettering: ΔΙΑΣ

Translation: of Dia


Dia, Bithynia, modern-day Akçakoca, Turkey

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ND (85 BC - 65 BC) 

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Numista Rarity index: 97 Search tips
This index is based on the data of Numista members collections. It ranges from 0 to 100, 0 meaning a very common coin or banknote and 100 meaning a rare coin or banknote among Numista members.

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