S 1395 - Ecbatana (Artabanus IV), silver, drachms (216-224 BCE)
From SILVER
216 CE - 224 CE Silver 1,981 kg
Description
| ObverseInscription or printing placed on the obverse.: | Bust of the king left. In the field, 2 marks. |
| ReverseInscription or printing placed on the reverse.: | King seated right, wearing diadem, holding bow. In the right field, letters. |
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: | Parthian Empire, Artabanus IV (king of the Parthian kingdom, c. 216-224 AD) |
Chronology
| FromIdentifies the initial date in a range assigned in a numismatic context. | 216 CE | toIdentifies the final date in a range assigned in a numismatic context.. | 224 CE | PeriodTime period of the numismatic object.: Roman from 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 | 3.70 | DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: | drachm | StandardStandard.: |
References
| Die study referencePublication of the study: | Boillet 20091Boillet 2009, p. 896-901, no. 7034-7108. | ||
| 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 | 8 | 36.36 | 8 | 10.67 | D9, D13, D14, D15, D16, D19, D21, D22 |
| 2 | 4 | 18.18 | 8 | 10.67 | D10, D17, D18, D20 |
| 3 | 4 | 18.18 | 12 | 16 | D3, D6, D8, D11 |
| 5 | 2 | 9.09 | 10 | 13.33 | D4, D7 |
| 6 | 1 | 4.55 | 6 | 8 | D12 |
| 7 | 1 | 4.55 | 7 | 9.33 | D5 |
| 8 | 1 | 4.55 | 8 | 10.67 | D2 |
| 14 | 1 | 4.55 | 14 | 18.67 | D1 |
| Total | 22 of 22 | 100.01 | 73 of 75 | 97.34 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obversesNumber of obverse dies. ᵖ (o) | 22 | Number of singletons (o1)The number of singleton coins. ᵖ | 8 |
| Number of reverse diesNumber of reverse dies. (r) | 22 | Number of coinsNumber of coins. (n) | 75 |
| Coins per obverse dieNumber of coins per obverse die. (n/o) | 3.41 | Coins per reverse dieNumber of coins per reverse die. (n/r) | 3.41 |
| Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) | 1 | Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ | 36.36 % |
| Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ | 26.77 | Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ | 535,400 |
| 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) | 31.13 | 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) | 89.33% | Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ | 5,603.29 |
| 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 | 1,981 kg <br /> 1,981 kg | Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ | 14,008.22 |
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.
