S 1355 - Ecbatana (Phraates II), bronze, dichalkoi (138-127 BCE)
From SILVER
138 BCE - 127 BCE Bronze
Description
| Obverse: | Head of the king left, wearing diadem. Border of dots. |
| Reverse: | ΒΑΣΙΛΕΩΣ ΜΕΓΑΛΟΥ ΑΡΣΑΚΟΥ ΘΕΟΠΑΤΟΠΟΣ (Greek).Horse walking right. |
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: | Bronze
|
Denomination: | dichalque | 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. 280-281, no. 1345-1350. | ||
| Coin series reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 1 | 20 | 1 | 16.67 | D1 |
| Total | 1 of 5 | 20 | 1 of 6 | 16.67 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 5 | Number of singletons (o1) ᵖ | 4 |
| Number of reverse dies (r) | 6 | Number of coins (n) | 6 |
| Coins per obverse die (n/o) | 1.2 | Coins per reverse die (n/r) | 1 |
| Reverse per obverse ratio (r/o) | 1.2 | Percentage of singletons (o1) ᵖ | 80 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 23.09 | Coins struck if 20,000 as average productivity per die ᵖ | 461,800 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 30 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00001 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 33.33% | Die productivity if survival rate 1/2,000 ᵖ | 519.71 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | n.a. | Die productivity if survival rate 1/5,000 ᵖ | 1,299.26 |
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 Histoire monétaire et économique, unpublished doctoral dissertation, Bordeaux University.
