Ecbatana (Antiochus I), bronze, ca 1.5g (Antiochus I/trident) (278-261 BCE)
From SILVER
278 BCE - 261 BCE Bronze
Description
| Obverse: | Diademed head of Antiochus I right |
| Reverse: | BAΣΙΛΕΩΣ ANTIOXOΥ (Greek).Tripod, raven standing right in front |
Mint and issuing power
| Mint: | Ecbatana | Ancient region: | Media | Modern country: Iran | Authority: | Antiochus I Soter (Seleucid king, 281-261 BC), Seleucid Dynasty (312-63 BC) |
Chronology
| From | 278 BCE | to | 261 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Bronze
|
Median weight in grams | 1.40 | Denomination: | Standard: |
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. 113, n° 453-457 | ||
| 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° 536, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3SC I, n° 421 | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 2 | 66.67 | 2 | 40 | 2, 6 |
| 3 | 1 | 33.33 | 3 | 60 | 5 |
| Total | 3 of 3 | 100 | 5 of 5 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 3 | Number of singletons (o1) ᵖ | 2 |
| Number of reverse dies (r) | 3 | Number of coins (n) | 5 |
| Coins per obverse die (n/o) | 1.67 | Coins per reverse die (n/r) | 1.67 |
| Reverse per obverse ratio (r/o) | 1 | Percentage of singletons (o1) ᵖ | 66.67 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 6.05 | Coins struck if 20,000 as average productivity per die ᵖ | 121,000 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 7.5 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00004 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 60% | Die productivity if survival rate 1/2,000 ᵖ | 1,652.89 |
| 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 | 4,132.23 |
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.
