S 1345 - Ecbatana (Mithridates I), silver, drachms (145-138 BCE)
From SILVER
145 BCE - 138 BCE Silver 2,808 kg
Description
| ObverseInscription or printing placed on the obverse.: | Bust of the king left, wearing diadem or bashlik. (In the left field, monogram). Border of dots. |
| ReverseInscription or printing placed on the reverse.: | ΒΑΣΙΛΕΩΣ ΜΕΓΑΛΟΥ ΑΡΣΑΚΟΥ (Greek).King seated on omphalos right, wearing diadem, holding bow. In the right field, A. |
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, Mithridates I (king of the Parthian Empire, 171-138 BC) |
Chronology
| FromIdentifies the initial date in a range assigned in a numismatic context. | 145 BCE | toIdentifies the final date in a range assigned in a numismatic context.. | 138 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 | 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. 269-271, no. 1277-1292. | ||
| 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 | 9 | 75 | 9 | 56.25 | D2, D4, D5, D6, D7, D8, D10, D11, D12 |
| 2 | 2 | 16.67 | 4 | 25 | D1, D9 |
| 3 | 1 | 8.33 | 3 | 18.75 | D3 |
| Total | 12 of 12 | 100 | 16 of 16 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obversesNumber of obverse dies. ᵖ (o) | 12 | Number of singletons (o1)The number of singleton coins. ᵖ | 9 |
| Number of reverse diesNumber of reverse dies. (r) | 14 | Number of coinsNumber of coins. (n) | 16 |
| Coins per obverse dieNumber of coins per obverse die. (n/o) | 1.33 | Coins per reverse dieNumber of coins per reverse die. (n/r) | 1.14 |
| Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) | 1.17 | Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ | 75 % |
| Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ | 37.94 | Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ | 758,800 |
| 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) | 48 | Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ | 0.00002 |
| Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O) | 43.75% | Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ | 843.44 |
| 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 | 2,808 kg <br /> 2,808 kg | Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ | 2,108.59 |
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.
