Ecbatana (Antiochus II), silver, tetradrachms (Antiochus II/seated Apollo) (261-246 BCE)
From SILVER
261 BCE - 246 BCE Silver 1,149 kg
Description
| Obverse: | Diademed head of Antiochus II r. |
| Reverse: | BAΣIΛEΩΣ – ANTIOXOY (Greek).Apollo seated l. on omphalos, slight drapery on r. thigh, holding three arrows in r. hand, l. hand resting on bow, in l. field, HΛO monogram and horse grazing at feet, above, ATO monogram |
Mint and issuing power
| Mint: | Ecbatana | Ancient region: | Media | Modern country: Iran | Authority: | Antiochus II Theos (Seleucid king, 261-246 BC), Seleucid Dynasty (312-63 BC) |
Chronology
| From | 261 BCE | to | 246 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. 117-120, n° 481-494. | ||
| 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° 541-543, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3SC I, n° 607 | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 4 | 1 | 33.33 | 4 | 28.57 | 2 |
| 5 | 2 | 66.67 | 10 | 71.43 | 1, 3 |
| Total | 3 of 3 | 100 | 14 of 14 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 3 | Number of singletons (o1) ᵖ | 0 |
| Number of reverse dies (r) | 8 | Number of coins (n) | 14 |
| Coins per obverse die (n/o) | 4.67 | Coins per reverse die (n/r) | 1.75 |
| Reverse per obverse ratio (r/o) | 2.67 | Percentage of singletons (o1) ᵖ | 0 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 3.38 | Coins struck if 20,000 as average productivity per die ᵖ | 67,600 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 3.82 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00021 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 100% | Die productivity if survival rate 1/2,000 ᵖ | 8,284.02 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 1,149 kg <br /> 1,149 kg | Die productivity if survival rate 1/5,000 ᵖ | 20,710.06 |
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.
- ^ 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.