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

From SILVER
SILVER IDUnique ID of the page ᵖ: 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: "[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Boillet 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

  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.