S 1389 - Ecbatana (Mithridates IV), silver, drachms (129-140 CE)
From SILVER
129 CE - 140 CE Silver 5,133 kg
Description
| Obverse: | Bust of the king left, wearing earring and diadem. Border of dots. |
| Reverse: | ΒΑΣΙΛΕΩΣ ΒΑΣΙΛΕΩΝ ΑΡΣΑΚΟΥ ΔΙΚΑΙΟΥ ΕΥΕΡΓΕΤΟΥ ΕΠΙΦΑΝΟΥΣ ΦΙΛΕΛΛΗΝΟΣ (Greek).King seated right, wearing diadem, holding bow. In the right field, A. |
Mint and issuing power
| Mint: | Ecbatana | Ancient region: | Media | Modern country: Iran | Authority: | Parthian Empire, Mithridates IV (king of the Parthian Empire, 129-140 AD) |
Chronology
| From | 129 CE | to | 140 CE | Period: Roman from 30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 3.70 | Denomination: | drachma
|
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. 802-825, no. 5940-6149. | ||
| Coin series reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 25 | 43.1 | 25 | 11.9 | D5, D6, D7, D21, D24, D27, D30, D31, D32, D33, D35, D37, D38, D44, D45, D48, D50, D51, D52, D53, D54, D55, D56, D57, D58 |
| 2 | 6 | 10.34 | 12 | 5.71 | D23, D28, D34, D36, D39, D40 |
| 3 | 6 | 10.34 | 18 | 8.57 | D16, D17, D19, D20, D43, D46 |
| 4 | 4 | 6.9 | 16 | 7.62 | D15, D18, D22, D47 |
| 5 | 6 | 10.34 | 30 | 14.29 | D9, D12, D26, D29, D42, D49 |
| 6 | 5 | 8.62 | 30 | 14.29 | D3, D8, D10, D14, D25 |
| 7 | 2 | 3.45 | 14 | 6.67 | D4, D41 |
| 11 | 1 | 1.72 | 11 | 5.24 | D13 |
| 13 | 1 | 1.72 | 13 | 6.19 | D11 |
| 19 | 1 | 1.72 | 19 | 9.05 | D2 |
| 20 | 1 | 1.72 | 20 | 9.52 | D1 |
| Total | 58 of 58 | 99.97 | 208 of 210 | 99.05 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 58 | Number of singletons (o1) ᵖ | 25 |
| Number of reverse dies (r) | 72 | Number of coins (n) | 210 |
| Coins per obverse die (n/o) | 3.62 | Coins per reverse die (n/r) | 2.92 |
| Reverse per obverse ratio (r/o) | 1.24 | Percentage of singletons (o1) ᵖ | 43.1 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 69.36 | Coins struck if 20,000 as average productivity per die ᵖ | 1,387,200 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 80.13 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00015 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 88.1% | Die productivity if survival rate 1/2,000 ᵖ | 6,055.36 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 5,133 kg <br /> 5,133 kg | Die productivity if survival rate 1/5,000 ᵖ | 15,138.41 |
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.
