S 1346 - Ecbatana (Mithridates I), silver, obols (148-138 BCE)
From SILVER
148 BCE - 138 BCE Silver 86 kg
Description
| Obverse: | Bust of the king left, wearing bashlik. Border of dots. |
| Reverse: | ΒΑΣΙΛΕΩΣ ΜΕΓΑΛΟΥ ΑΡΣΑΚΟΥ (Greek).Bust of king right, wearing bashlik. |
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: | Silver
|
Median weight in grams | 0.60 | Denomination: | obol
|
Standard: | Attic |
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. 271-272, no. 1293-1304. | ||
| Coin series reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 2 | 40 | 2 | 16.67 | D2, D3 |
| 2 | 1 | 20 | 2 | 16.67 | D5 |
| 3 | 1 | 20 | 3 | 25 | D1 |
| 5 | 1 | 20 | 5 | 41.67 | D4 |
| Total | 5 of 5 | 100 | 12 of 12 | 100.01 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 5 | Number of singletons (o1) ᵖ | 2 |
| Number of reverse dies (r) | 6 | Number of coins (n) | 12 |
| Coins per obverse die (n/o) | 2.4 | Coins per reverse die (n/r) | 2 |
| Reverse per obverse ratio (r/o) | 1.2 | Percentage of singletons (o1) ᵖ | 40 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 7.14 | Coins struck if 20,000 as average productivity per die ᵖ | 142,800 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 8.57 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00008 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 83.33% | Die productivity if survival rate 1/2,000 ᵖ | 3,361.34 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 86 kg <br /> 86 kg | Die productivity if survival rate 1/5,000 ᵖ | 8,403.36 |
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 Histoire monétaire et économique, unpublished doctoral dissertation, Bordeaux University.
