Ecbatana (Seleucus II), silver, tetradrachms (Seleucus II/seated Apollo) (246-225 BCE)
From SILVER
246 BCE - 225 BCE Silver 1,491 kg
Description
| Obverse: | Diademed head of Seleucus II right, with sideburn |
| Reverse: | BAΣΙΛΕΩΣ ΣΕΛΕΥΚΟΥ (Greek).Apollo, testing arrow and resting hand on grounded bow, seated left on omphalos, to inner left, monogram above forepart of horse grazing left. |
Mint and issuing power
| Mint: | Ecbatana | Ancient region: | Media | Modern country: Iran | Authority: | Seleucid Dynasty (312-63 BC), Seleucus II Callinicus (Seleucid king, 246-225 BC) |
Chronology
| From | 246 BCE | to | 225 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 17.10 | Denomination: | tetradrachm
|
Standard: | Attic |
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. 126-128, n° 515-524. | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2ESM, n° 546-547, 556, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3HGC 9, n° 302, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]4SC I, n° 807 | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 1 | 33.33 | 1 | 14.29 | 3 |
| 2 | 1 | 33.33 | 2 | 28.57 | 2 |
| 4 | 1 | 33.33 | 4 | 57.14 | 1 |
| Total | 3 of 3 | 99.99 | 7 of 7 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 3 | Number of singletons (o1) ᵖ | 1 |
| Number of reverse dies (r) | 5 | Number of coins (n) | 7 |
| Coins per obverse die (n/o) | 2.33 | Coins per reverse die (n/r) | 1.4 |
| Reverse per obverse ratio (r/o) | 1.67 | Percentage of singletons (o1) ᵖ | 33.33 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 4.36 | Coins struck if 20,000 as average productivity per die ᵖ | 87,200 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 5.25 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00008 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 85.71% | Die productivity if survival rate 1/2,000 ᵖ | 3,211.01 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 1,491 kg <br /> 1,491 kg | Die productivity if survival rate 1/5,000 ᵖ | 8,027.52 |
Remarks
Most likely one single workstation Likely military
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.
- ^ Newell, Edawrd T. (1938), The coinage of the eastern Seleucid mints, from Seleucus I to Antiochus III, Numismatic Studies 1, New York, 307 p., LVI pl.
- ^ Hoover, Oliver D. (2009), Handbook of ancient Syrian coins : royal and civic issues, fourth to first centuries BC, The Handbook of Greek Coinage 9, Lancaster, lxix, 332 p.
- ^ Houghton, Arthur - Lorber, Catharine (2002), Seleucid coins : a comprehensive catalogue. Part 1, Seleucus I through Antiochus III, New York - Lancaster - London, 2 v. (xxxviii, 488 p. + 300 p.), 101 pl.
