S 1127 - Ecbatana (Antiochus III), silver, tetradrachms (202-187 BCE)
From SILVER
202 BCE - 187 BCE Silver 16,363 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: | Antiochus III the Great (Seleucid king, 222-187 BC), Seleucid Dynasty (312-63 BC) |
Chronology
| FromIdentifies the initial date in a range assigned in a numismatic context. | 202 BCE | toIdentifies the final date in a range assigned in a numismatic context.. | 187 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 | 16.80 | 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. 151-156, n° 642-690 | ||
| 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 | 15 | 55.56 | 15 | 30.61 | 1, 5, 6, 7, 8, 11, 12, 13, 16, 17, 21, 23, 24, 26, 27 |
| 2 | 9 | 33.33 | 18 | 36.73 | 2, 3, 10, 14, 15, 19, 20, 22, 25 |
| 3 | 1 | 3.7 | 3 | 6.12 | 4 |
| 6 | 1 | 3.7 | 6 | 12.24 | 9 |
| 7 | 1 | 3.7 | 7 | 14.29 | 18 |
| Total | 27 of 27 | 99.99 | 49 of 49 | 99.99 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obversesNumber of obverse dies. ᵖ (o) | 27 | Number of singletons (o1)The number of singleton coins. ᵖ | 15 |
| Number of reverse diesNumber of reverse dies. (r) | 33 | Number of coinsNumber of coins. (n) | 49 |
| Coins per obverse dieNumber of coins per obverse die. (n/o) | 1.81 | Coins per reverse dieNumber of coins per reverse die. (n/r) | 1.48 |
| Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) | 1.22 | Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ | 55.56 % |
| Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ | 48.7 | Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ | 974,000 |
| 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) | 60.14 | Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ | 0.00005 |
| Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O) | 69.39% | Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ | 2,012.32 |
| 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 | 16,363 kg <br /> 16,363 kg | Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ | 5,030.8 |
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.
