S 1391 - Ecbatana (Vologases IV), silver, drachms (147-191 BCE)
From SILVER
147 CE - 191 CE Silver 4,282 kg
Description
| Obverse: | Bust of the king left, wearing earring, diadem and tiara. Border of dots. |
| Reverse: | ΒΑΣΙΛΕΩΣ ΒΑΣΙΛΕΩΝ ΑΡΣΑΚΟΥ ΔΙΚΑΙΟΥ ΕΥΕΡΓΕΤΟΥ ΕΠΙΦΑΝΟΥΣ ΦΙΛΕΛΛΗΝΟΣ (Greek).King seated right, wearing diadem, holding bow. (Above the bow, pearl). In the right field, A. |
Mint and issuing power
| Mint: | Ecbatana | Ancient region: | Media | Modern country: Iran | Authority: | Parthian Empire, Vologases IV (king of Parthia, c. 147-191 AD) |
Chronology
| From | 147 CE | to | 191 CE | Period: Roman from 30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 3.70 | Denomination: | drachm | 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. 827-845, no. 6153-6381. | ||
| Coin series reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 17 | 33.33 | 17 | 7.42 | D8, D14, D15, D21, D23, D28, D30, D36, D37, D38, D40, D41, D43, D45, D46, D49, D50 |
| 2 | 12 | 23.53 | 24 | 10.48 | D9, D12, D13, D16, D20, D22, D24, D29, D31, D35, D48, D51 |
| 3 | 6 | 11.76 | 18 | 7.86 | D11, D32, D33, D39, D42, D44 |
| 4 | 2 | 3.92 | 8 | 3.49 | D34, D47 |
| 5 | 2 | 3.92 | 10 | 4.37 | D25, D26 |
| 6 | 1 | 1.96 | 6 | 2.62 | D7 |
| 7 | 1 | 1.96 | 7 | 3.06 | D1 |
| 8 | 2 | 3.92 | 16 | 6.99 | D5, D18 |
| 11 | 1 | 1.96 | 11 | 4.8 | D27 |
| 13 | 1 | 1.96 | 13 | 5.68 | D17 |
| 14 | 1 | 1.96 | 14 | 6.11 | D3 |
| 15 | 1 | 1.96 | 15 | 6.55 | D2 |
| 23 | 1 | 1.96 | 23 | 10.04 | D10 |
| 29 | 1 | 1.96 | 29 | 12.66 | D6 |
| 9 | 2 | 3.92 | 18 | 7.86 | D5, D18 |
| Total | 51 of 51 | 99.98 | 229 of 229 | 99.99 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 51 | Number of singletons (o1) ᵖ | 17 |
| Number of reverse dies (r) | 59 | Number of coins (n) | 229 |
| Coins per obverse die (n/o) | 4.49 | Coins per reverse die (n/r) | 3.88 |
| Reverse per obverse ratio (r/o) | 1.16 | Percentage of singletons (o1) ᵖ | 33.33 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 57.87 | Coins struck if 20,000 as average productivity per die ᵖ | 1,157,400 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 65.61 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00020 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 92.58% | Die productivity if survival rate 1/2,000 ᵖ | 7,914.29 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 4,282 kg <br /> 4,282 kg | Die productivity if survival rate 1/5,000 ᵖ | 19,785.73 |
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.
