S 1361 - Ecbatana (Phraates III), silver, drachms (70-57 BCE)
From SILVER
70 BCE - 57 BCE Silver 1,948 kg
Description
| Obverse: | Diademed facing bust of Phraates III, with mustache and short beard, wearing torque with central medallion and elaborate robes |
| Reverse: | ΒΑΣΙΛΕΩΣ ΜΕΓΑΛΟΥ ΑΡΣΑΚΟΥ ΕΥΕΡΓΕΤΟΥ ΕΠΙΦΑΝΟΥΣ ΦΙΛΕΛΛΗΝΟΣ (Greek).Parthian archer (Arsakes I) seated to right, holding bow, below bow, monogram of AΓ. |
Mint and issuing power
| Mint: | Ecbatana | Ancient region: | Media | Modern country: Iran | Authority: | Phraates III (king of the Parthian Empire, 70-57 BC), Parthian Empire |
Chronology
| From | 70 BCE | to | 57 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 3.70 | 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. 296-302, n° 1403-1451 | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2Sellwood 1980, n° 35.1 (var.) | ||
Obverse dies distribution
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 19 | Number of singletons (o1) ᵖ | 8 |
| Number of reverse dies (r) | 31 | Number of coins (n) | 48 |
| Coins per obverse die (n/o) | 2.53 | Coins per reverse die (n/r) | 1.55 |
| Reverse per obverse ratio (r/o) | 1.63 | Percentage of singletons (o1) ᵖ | 42.11 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 26.32 | Coins struck if 20,000 as average productivity per die ᵖ | 526,400 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 31.45 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00009 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 83.33% | Die productivity if survival rate 1/2,000 ᵖ | 3,647.42 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 1,948 kg <br /> 1,948 kg | Die productivity if survival rate 1/5,000 ᵖ | 9,118.54 |
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 Histoire monétaire et économique, unpublished doctoral dissertation, Bordeaux University.
- ^ Sellwood, David (1980), An introduction to the coinage of Parthia, 2nd ed., London, Spink & Son, 322 p., 10 pl.
