S 1398 - Ecbatana (Seleucus IV), silver, tetradrachms (180-175 BCE)
From SILVER
180 BCE - 175 BCE Silver 1,635 kg
Description
| Obverse: | |
| Reverse: |
Mint and issuing power
| Mint: | Ecbatana | Ancient region: | Media | Modern country: Iran | Authority: | Seleucid Dynasty (312-63 BC), Seleucus IV Philopator (Seleucid king, 187-175 BC) |
Chronology
| From | 180 BCE | to | 175 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 17.00 | Denomination: | tetradrachm
|
Standard: | Attic |
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. 215-216, no. 1060-1062. | ||
| Coin series reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 1 | 50 | 1 | 33.33 | D1 |
| 2 | 1 | 50 | 2 | 66.67 | D2 |
| Total | 2 of 2 | 100 | 3 of 3 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 2 | Number of singletons (o1) ᵖ | 1 |
| Number of reverse dies (r) | 3 | Number of coins (n) | 3 |
| Coins per obverse die (n/o) | 1.5 | Coins per reverse die (n/r) | 1 |
| Reverse per obverse ratio (r/o) | 1.5 | Percentage of singletons (o1) ᵖ | 50 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 4.81 | Coins struck if 20,000 as average productivity per die ᵖ | 96,200 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 6 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00003 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 66.67% | Die productivity if survival rate 1/2,000 ᵖ | 1,247.4 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 1,635 kg <br /> 1,635 kg | Die productivity if survival rate 1/5,000 ᵖ | 3,118.5 |
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 Histoire monétaire et économique, unpublished doctoral dissertation, Bordeaux University.
