S 1351 - Ecbatana (Mithridates I), bronze, dichalka (145-138 BCE)
From SILVER
145 BCE - 138 BCE Bronze
Description
| Obverse: | Bust of the king right, wearing diadem. (In the field, BΧ (value)). Border of dots. |
| Reverse: | ΒΑΣΙΛΕΩΣ ΜΕΓΑΛΟΥ ΑΡΣΑΚΟΥ (Greek).Several types: 1) Bust right, wearing bashlik (series II), 2) Bee (series III), 3) Forepart of elephant right (series IV), 4) Helmets of Dioscouroi (series V). |
Mint and issuing power
| Mint: | Ecbatana | Ancient region: | Media | Modern country: Iran | Authority: | Parthian Empire, Mithridates I (king of the Parthian Empire, 171-138 BC) |
Chronology
| From | 145 BCE | to | 138 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. 276-277, no. 1328-1335. | ||
| Coin series reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 1 | 14.29 | 1 | 12.5 | D3 |
| 1 | 1 | 14.29 | 1 | 12.5 | |
| Total | 2 of 7 | 28.58 | 2 of 8 | 25 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 7 | Number of singletons (o1) ᵖ | 6 |
| Number of reverse dies (r) | 7 | Number of coins (n) | 8 |
| Coins per obverse die (n/o) | 1.14 | Coins per reverse die (n/r) | 1.14 |
| Reverse per obverse ratio (r/o) | 1 | Percentage of singletons (o1) ᵖ | 85.71 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 42.01 | Coins struck if 20,000 as average productivity per die ᵖ | 840,200 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 56 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00001 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 25% | Die productivity if survival rate 1/2,000 ᵖ | 380.86 |
| 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 | 952.15 |
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 Histoire monétaire et économique, unpublished doctoral dissertation, Bordeaux University.
