S 1392 - Ecbatana (Osroes II), silver, drachms (190-191 CE)
From SILVER
190 CE - 191 CE Silver 3,419 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 left or 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, Osroes II (claimant of the throne of the Parthian Empire c. 190 AD) |
Chronology
| From | 190 CE | to | 191 CE | Period: Roman from 30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 3.75 | Denomination: | drachm | Standard: |
Image
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. 846-863, no. 6382-6621. | ||
| Coin series reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 15 | 35.71 | 15 | 6.25 | 11, 18, 24, 25, 27, 29, 32, 33, 34, 36, 37, 39, 40, 41, 42 |
| 2 | 3 | 7.14 | 6 | 2.5 | 13, 28, 30 |
| 3 | 6 | 14.29 | 18 | 7.5 | 2, 12, 16, 20, 26, 38 |
| 4 | 1 | 2.38 | 4 | 1.67 | 15 |
| 5 | 3 | 7.14 | 15 | 6.25 | 17, 22, 31 |
| 6 | 3 | 7.14 | 18 | 7.5 | 7, 23, 35 |
| 8 | 1 | 2.38 | 8 | 3.33 | 8 |
| 10 | 1 | 2.38 | 10 | 4.17 | 9 |
| 11 | 2 | 4.76 | 22 | 9.17 | 3, 6 |
| 12 | 1 | 2.38 | 12 | 5 | 14 |
| 14 | 1 | 2.38 | 14 | 5.83 | 4 |
| 15 | 1 | 2.38 | 15 | 6.25 | 10 |
| 17 | 1 | 2.38 | 17 | 7.08 | 21 |
| 21 | 2 | 4.76 | 42 | 17.5 | 1, 19 |
| 24 | 1 | 2.38 | 24 | 10 | 5 |
| Total | 42 of 42 | 99.98 | 240 of 240 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 42 | Number of singletons (o1) ᵖ | 15 |
| Number of reverse dies (r) | 100 | Number of coins (n) | 240 |
| Coins per obverse die (n/o) | 5.71 | Coins per reverse die (n/r) | 2.4 |
| Reverse per obverse ratio (r/o) | 2.38 | Percentage of singletons (o1) ᵖ | 35.71 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 45.58 | Coins struck if 20,000 as average productivity per die ᵖ | 911,600 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 50.91 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00026 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 93.75% | Die productivity if survival rate 1/2,000 ᵖ | 10,530.93 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 3,419 kg <br /> 3,419 kg | Die productivity if survival rate 1/5,000 ᵖ | 26,327.34 |
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.
