S 1347 - Ecbatana (Mithridates I), bronze, octochalka (148-138 BCE)
From SILVER
148 BCE - 138 BCE Bronze
Description
| Obverse: | Bust of the king right, wearing diadem. Border of dots. |
| Reverse: | ΒΑΣΙΛΕΩΣ (ΜΕΓΑΛΟΥ) ΑΡΣΑΚΟΥ (Greek).Several types: 1) Dioscouroi riding right. Border of dots, 2) Elephant walking right. |
Mint and issuing power
| Mint: | Ecbatana | Ancient region: | Media | Modern country: Iran | Authority: | Parthian Empire, Mithridates I (king of the Parthian Empire, 171-138 BC) |
Chronology
| From | 148 BCE | to | 138 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Bronze
|
Denomination: | 8 chalkous | Standard: |
References
| Die study reference: | "[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Boillet 2009, p. 272-273, no. 1305-1315. | ||
| Coin series reference: | |||
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 8 | Number of singletons (o1) ᵖ | 7 |
| Number of reverse dies (r) | 10 | Number of coins (n) | 11 |
| Coins per obverse die (n/o) | 1.38 | Coins per reverse die (n/r) | 1.1 |
| Reverse per obverse ratio (r/o) | 1.25 | Percentage of singletons (o1) ᵖ | 87.5 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 23.29 | Coins struck if 20,000 as average productivity per die ᵖ | 465,800 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 29.33 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00002 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 36.36% | Die productivity if survival rate 1/2,000 ᵖ | 944.61 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | n.a. | Die productivity if survival rate 1/5,000 ᵖ | 2,361.53 |
Remarks
References
- ^ Boillet, Pierre-Yves (2009), Ecbatane et la Médie d’Alexandre aux Arsacides (c. 331 a.C. - c. 224 p.C.). Histoire monétaire et économique, unpublished doctoral dissertation, Bordeaux University.
