Ecbatana (Antiochus I), bronze, ca 5.5g (Antiochus I/seated Apollo) (278-261 BCE)
From SILVER
278 BCE - 261 BCE Bronze
Description
| Obverse: | Diademed head of Antiochos I right |
| Reverse: | ΒΑΣΙΛΕΩΣ ΑΝΤΙΟΧΟΥ (Greek).Apollo seated left on omphalos, testing arrow and resting hand on grounded bow, to left, monogram above horse forepart grazing left |
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 | 5.50 | Denomination: | double unit | 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. 104-106, n° 393-407. | ||
| 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° 534, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3SC I, n° 419 | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 1 | 25 | 1 | 6.67 | D3 |
| 5 | 2 | 50 | 10 | 66.67 | D1, D2 |
| 4 | 1 | 25 | 4 | 26.67 | D4 |
| Total | 4 of 4 | 100 | 15 of 15 | 100.01 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 4 | Number of singletons (o1) ᵖ | 1 |
| Number of reverse dies (r) | 10 | Number of coins (n) | 15 |
| Coins per obverse die (n/o) | 3.75 | Coins per reverse die (n/r) | 1.5 |
| Reverse per obverse ratio (r/o) | 2.5 | Percentage of singletons (o1) ᵖ | 25 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 4.74 | Coins struck if 20,000 as average productivity per die ᵖ | 94,800 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 5.45 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00016 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 93.33% | Die productivity if survival rate 1/2,000 ᵖ | 6,329.11 |
| 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 | 15,822.78 |
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.
