S 1345 - Ecbatana (Mithridates I), silver, drachms (145-138 BCE)

From SILVER
SILVER IDUnique ID of the page : 9428


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 Nomisma.org
Physical description
MetalThe physical material (usually metal) from which an object is made.: Silver Nomisma.org 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.  Number of obversesNumber of obverse dies.  (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.  (o) 12 Number of singletons (o1)The number of singleton coins.  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)  75 %
Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983  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.  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  (O) 48 Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000.  0.00002
Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O)  (o = % of O) 43.75% Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000.  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)  2,808 kg <br /> 2,808 kg Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000.  2,108.59
Remarks


References

  1. ^  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.