Ecbatana (Seleucus II), silver, diobols (horse/bowcase) (246-226 BCE)
From SILVER
246 BCE - 226 BCE Silver 39 kg
Description
| Obverse: | Bridled horse head right |
| Reverse: | BAΣΙΛΕΩΣ ΣΕΛΕΥΚΟΥ (Greek).Bowcase |
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 | 226 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 1.20 | Denomination: | diobol
|
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. 129, n° 529-530. | ||
| 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° 562, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3SC I, n° 813 | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 2 | 1 | 100 | 2 | 100 | 1 |
| Total | 1 of 1 | 100 | 2 of 2 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 1 | Number of singletons (o1) ᵖ | 0 |
| Number of reverse dies (r) | 2 | Number of coins (n) | 2 |
| Coins per obverse die (n/o) | 2 | Coins per reverse die (n/r) | 1 |
| Reverse per obverse ratio (r/o) | 2 | Percentage of singletons (o1) ᵖ | 0 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 1.62 | Coins struck if 20,000 as average productivity per die ᵖ | 32,400 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 2 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00006 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 100% | Die productivity if survival rate 1/2,000 ᵖ | 2,469.14 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 39 kg <br /> 39 kg | Die productivity if survival rate 1/5,000 ᵖ | 6,172.84 |
Remarks
Most likely one single workstation
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 Histoire monétaire et économique, unpublished doctoral dissertation, Bordeaux University.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.
- ^ 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.
