S 1084 - Ecbatana (Seleucus I), silver, tetradrachms (293-280 BCE)
From SILVER
293 BCE - 280 BCE Silver 13,878 kg
Description
| ObverseInscription or printing placed on the obverse.: | |
| ReverseInscription or printing placed on the reverse.: |
Mint and issuing power
| MintIdentifies the place of manufacture or issue of a numismatic object.: | Ecbatana | Ancient regionAncient region.: | Media | Modern countryModern country: Iran | AuthorityIdentifies the issuing power. The authority can be "pretended" when the name or the portrait of X is on the coin but he/she was not the issuing power. It can also be "uncertain" when there is no mention of X on the coin but he/she was the issuing power according to the historical sources: | Seleucid Dynasty (312-63 BC), Seleucus I Nicator (satrap in 321-305 BC and Seleucid king in 305-281 BC) |
Chronology
| FromIdentifies the initial date in a range assigned in a numismatic context. | 293 BCE | toIdentifies the final date in a range assigned in a numismatic context.. | 280 BCE | PeriodTime period of the numismatic object.: Hellenistic 323-30 BC 
|
Physical description
| MetalThe physical material (usually metal) from which an object is made.: | Silver
|
Median weightMedian of the weights of numismatic objects (in grams). in grams | 16.90 | DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: | tetradrachm
|
StandardStandard.: | Attic |
References
| Die study referencePublication of the study: | Boillet 20091Boillet 2009, p. 55-72, no. 97-106, 109-132, 134-218. | ||
| Coin series referenceReference to coin series study: | |||
Obverse dies distribution
| FrequencyFrequency of specimen in distribution. ᵖ | Number of obversesNumber of obverse dies. ᵖ (o) | % (o) | Number of coinsNumber of coins. (n) | % (n) | Die nameName(s) of the die(s). |
| 1 | 14 | 41.18 | 14 | 11.76 | D23, D24, D27, D29, D39, D43, D45, D46, D47, D48, D49, D50, D51, D52 |
| 2 | 3 | 8.82 | 6 | 5.04 | D28, D35, D44 |
| 3 | 3 | 8.82 | 9 | 7.56 | D30, D19, D40 |
| 4 | 3 | 8.82 | 12 | 10.08 | D26, D38, D41 |
| 5 | 4 | 11.76 | 20 | 16.81 | D22, D34, D36, D42 |
| 6 | 4 | 11.76 | 24 | 20.17 | D20, D25, D31, D33 |
| 10 | 1 | 2.94 | 10 | 8.4 | D32 |
| 11 | 1 | 2.94 | 11 | 9.24 | D37 |
| 13 | 1 | 2.94 | 13 | 10.92 | D9 |
| Total | 34 of 34 | 99.98 | 119 of 119 | 99.98 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obversesNumber of obverse dies. ᵖ (o) | 34 | Number of singletons (o1)The number of singleton coins. ᵖ | 14 |
| Number of reverse diesNumber of reverse dies. (r) | 75 | Number of coinsNumber of coins. (n) | 119 |
| Coins per obverse dieNumber of coins per obverse die. (n/o) | 3.5 | Coins per reverse dieNumber of coins per reverse die. (n/r) | 1.59 |
| Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) | 2.21 | Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ | 41.18 % |
| Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ | 41.06 | Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ | 821,200 |
| Original number of dies (O) (Esty 2011 formula)The estimation of the number of coins according to the singleton formula in Esty 2011 ᵖ (O) | 47.6 | Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ | 0.00014 |
| Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O) | 88.24% | Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ | 5,796.4 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula)Carter 1983 * Median weight * 20000 (*10 if gold or electrum) ᵖ | 13,878 kg <br /> 13,878 kg | Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ | 14,490.99 |
Remarks
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.
