Ecbatana (Antiochus I), silver, tetradrachms (Antiochus I/seated Apollo) (278-261 BCE)
From SILVER
278 BCE - 261 BCE Silver 2,111 kg
Description
| Obverse: | Diademed head of Antiochus I right |
| Reverse: | BAΣΙΛΕΩΣ ANTIOXOΥ (Greek).Apollo seated left on omphalos, holding three arrows and resting left hand on grounded bow |
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: | Silver
|
Median weight in grams | 17.00 | 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. 95-100, n° 327-375 | ||
| 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° 528, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3HGC 9, n° 128, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]4SC I, n° 409 | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 2 | 33.33 | 2 | 4.08 | 2, 4 |
| 2 | 1 | 16.67 | 2 | 4.08 | 6 |
| 7 | 1 | 16.67 | 7 | 14.29 | 3 |
| 8 | 1 | 16.67 | 8 | 16.33 | 5 |
| 30 | 1 | 16.67 | 30 | 61.22 | 1 |
| Total | 6 of 6 | 100.01 | 49 of 49 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 6 | Number of singletons (o1) ᵖ | 2 |
| Number of reverse dies (r) | 24 | Number of coins (n) | 49 |
| Coins per obverse die (n/o) | 8.17 | Coins per reverse die (n/r) | 2.04 |
| Reverse per obverse ratio (r/o) | 4 | Percentage of singletons (o1) ᵖ | 33.33 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 6.21 | Coins struck if 20,000 as average productivity per die ᵖ | 124,200 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 6.84 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00039 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 95.92% | Die productivity if survival rate 1/2,000 ᵖ | 15,781 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 2,111 kg <br /> 2,111 kg | Die productivity if survival rate 1/5,000 ᵖ | 39,452.5 |
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.
- ^ 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.
