S 919 - Syria (uncertain mint 42) (Seleucus II), silver, tetradrachms (245-225 BCE)

From SILVER
SILVER IDUnique ID of the page : 9095


245 BCE - 225 BCE Silver 1,349 kg

Description
ObverseInscription or printing placed on the obverse.: Head of Seleukos II (portrayed as Seleukos III) right, with sideburns, wearing a diadem. Border of dots.
ReverseInscription or printing placed on the reverse.: BAΣΙΛΕΩΣ ΣΕΛΕΥΚΟΥ (Greek).Apollo left, naked, holding a arrow, leaning his elbows on a high tripod. In the field, 1/2 monogram(s).
Mint and issuing power
MintIdentifies the place of manufacture or issue of a numismatic object.: Syria (uncertain mint) Ancient regionAncient region.: Syria Modern countryModern country: Turkey 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: Seleukos II Kallinikos (Seleucid king, 246-225 BC), Seleucid Dynasty (312-63 BC)
Chronology
FromIdentifies the initial date in a range assigned in a numismatic context. 245 BCE toIdentifies the final date in a range assigned in a numismatic context.. 225 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 16.70 DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: tetradrachm Nomisma.org StandardStandard.: Attic
References
Die study referencePublication of the study: A. Houghton1A. Houghton, "New Light on Coin Production under Seleucus II in Northern Syria, Commagene, and Mesopotamia", American Journal of Numismatic 23 (2011), p. 17-34, pl. 3-6 (p. 18-19, n° 1-8).
Coin series referenceReference to coin series study:
Coin series web referenceCoin series web references:



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).
2 1 33.33 2 25
3 2 66.67 6 75
Total 3 of 3 100 8 of 8 100
Reverse dies distribution

no distribution is available


Quantification
Number of obversesNumber of obverse dies.  (o) 3 Number of singletons (o1)The number of singleton coins. 
Number of reverse diesNumber of reverse dies. (r) 6 Number of coinsNumber of coins. (n) 8
Coins per obverse dieNumber of coins per obverse die. (n/o) 2.67 Coins per reverse dieNumber of coins per reverse die. (n/r) 1.33
Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) 2 Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1)  %
Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983  4.04 Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000.  80,800
Original number of dies (O) (Esty 2011 formula)The estimation of the number of coins according to the singleton formula in Esty 2011  (O) 4.8 Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000.  0.00010
Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O)  (o = % of O) % Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000.  3,960.4
Weight of silver (in kg) if 20,000 coins per die (O = Carter formula)Carter 1983 * Median weight * 20000 (*10 if gold or electrum)  1,349 kg <br /> 1,349 kg Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000.  9,900.99
Remarks

Most likely one single workstation Uncertain mint 42

References

  1. ^ A. Houghton