Ecbatana (Seleucus I), silver, tetradrachms (Heracles/seated Zeus - ΑΛΕΞΑΝΔΡΟΥ) (311-280 BCE)
From SILVER
311 BCE - 280 BCE Silver 10,826 kg
Description
| Obverse: | Head of Herakles right, wearing the lion headdress and the ram horn. |
| Reverse: | ΑΛΕΞΑΝΔΡΟΥ (Greek).Zeus seated to left, holding an eagle and a scepter. At his feet, a forepart of grazing horse. (In the field, monogram or letters and/or dot). (Under the throne, B or monogram). Border of dots. |
Mint and issuing power
Chronology
| From | 311 BCE | to | 280 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 17.00 | Denomination: | tetradrachm
|
Standard: | Attic |
Image
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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. 45-58, n° 21-111 | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2Price 1991, n° 3889, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3SC I, n° 202 and 204, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]4HGC 9, n° 9 | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 13 | 48.15 | 13 | 12.62 | 3, 5, 6, 9, 10, 14, 15, 16, 17, 20, 24, 26, 27 |
| 2 | 1 | 3.7 | 2 | 1.94 | 28 |
| 3 | 6 | 22.22 | 18 | 17.48 | 7, 11, 19, 21, 22, 23 |
| 4 | 2 | 7.41 | 8 | 7.77 | 8, 25 |
| 6 | 2 | 7.41 | 12 | 11.65 | 2, 18 |
| 7 | 1 | 3.7 | 7 | 6.8 | 12 |
| 8 | 1 | 3.7 | 8 | 7.77 | 4 |
| 9 | 1 | 3.7 | 9 | 8.74 | 13 |
| 17 | 1 | 3.7 | 17 | 16.5 | 1 |
| Total | 28 of 27 | 103.69 | 94 of 103 | 91.27 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 27 | Number of singletons (o1) ᵖ | 13 |
| Number of reverse dies (r) | Number of coins (n) | 103 | |
| Coins per obverse die (n/o) | 3.81 | Coins per reverse die (n/r) | |
| Reverse per obverse ratio (r/o) | Percentage of singletons (o1) ᵖ | 48.15 % | |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 31.84 | Coins struck if 20,000 as average productivity per die ᵖ | 636,800 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 36.59 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00016 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 87.38% | Die productivity if survival rate 1/2,000 ᵖ | 6,469.85 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 10,826 kg <br /> 10,826 kg | Die productivity if survival rate 1/5,000 ᵖ | 16,174.62 |
Remarks
Most likely one single workstation Certainly 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.
- ^ Price, Martin Jessop (1991), The Coinage in the Name of Alexander the Great and Philip Arrhidaeus: a British Museum Catalogue, 2 vol., Zürich-London, 637 p., 637 p., clix 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.
- ^ 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.
