S 1354 - Ecbatana (Phraates II), silver, drachms (138-127 BCE)
From SILVER
138 BCE - 127 BCE Silver 1,217 kg
Description
| Obverse: | Bust of the king left, wearing diadem. In the right field, A. Border of dots. |
| Reverse: | ΒΑΣΙΛΕΩΣ ΜΕΓΑΛΟΥ ΑΡΣΑΚΟΥ ΘΕΟΠΑΤΟΠΟΣ (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, Phraates II (king of the Parthian Empire, 138-127 BC) |
Chronology
| From | 138 BCE | to | 127 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 3.90 | 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. 279-280, no. 1340-1344. | ||
| Coin series reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 1 | 25 | 1 | 20 | D1 |
| Total | 1 of 4 | 25 | 1 of 5 | 20 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 4 | Number of singletons (o1) ᵖ | 3 |
| Number of reverse dies (r) | 5 | Number of coins (n) | 5 |
| Coins per obverse die (n/o) | 1.25 | Coins per reverse die (n/r) | 1 |
| Reverse per obverse ratio (r/o) | 1.25 | Percentage of singletons (o1) ᵖ | 75 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 15.6 | Coins struck if 20,000 as average productivity per die ᵖ | 312,000 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 20 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00002 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 40% | Die productivity if survival rate 1/2,000 ᵖ | 641.03 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 1,217 kg <br /> 1,217 kg | Die productivity if survival rate 1/5,000 ᵖ | 1,602.56 |
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 Histoire monétaire et économique, unpublished doctoral dissertation, Bordeaux University.
