S 1912 - Susa (Seleucus I), silver, tetradrachms (wreath group) (311-308 BCE)

From SILVER
SILVER IDUnique ID of the page : 13306


311 BCE - 308 BCE Silver 2,726 kg

Description
ObverseInscription or printing placed on the obverse.: Head of Herakles to right, wearing lion skin headdress
ReverseInscription or printing placed on the reverse.: ΒΑΣΙΛΕΩΣ below, ΑΛΕΞΑΝΔΡΟΥ to right (Greek).Zeus Aëtophoros seated to left, holding sceptre, wreath in left field, PO above strut, monogram below throne
Mint and issuing power
MintIdentifies the place of manufacture or issue of a numismatic object.: Susa Ancient regionAncient region.: Mesopotamia 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: Alexander III the Great (Argead king, 336-323 BC), Seleucid Dynasty (312-63 BC), Seleucus I Nicator (satrap in 321-305 BC and Seleucid king in 305-281 BC)
Chronology
FromIdentifies the initial date in a range assigned in a numismatic context. 311 BCE toIdentifies the final date in a range assigned in a numismatic context.. 308 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 17.10 DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: tetradrachm Nomisma.org StandardStandard.: Attic
Image
S1912 Susa Seleucus wreath.jpg [1]
References
Die study referencePublication of the study: Taylor 20191Taylor 2019
Coin series referenceReference to coin series study: Price 19912Price 1991, n° 3853-3860



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 1 12.5 1 0.97 1
2 1 12.5 2 1.94 2
5 1 12.5 5 4.85 3
6 1 12.5 6 5.83 5
9 1 12.5 9 8.74 7
10 1 12.5 10 9.71 6
29 1 12.5 29 28.16 4
41 1 12.5 41 39.81 8
Total 8 of 8 100 103 of 103 100.01
Reverse dies distribution

no distribution is available


Quantification
Number of obversesNumber of obverse dies.  (o) 8 Number of singletons (o1)The number of singleton coins.  1
Number of reverse diesNumber of reverse dies. (r) 45 Number of coinsNumber of coins. (n) 103
Coins per obverse dieNumber of coins per obverse die. (n/o) 12.88 Coins per reverse dieNumber of coins per reverse die. (n/r) 2.29
Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) 5.63 Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1)  12.5 %
Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983  7.97 Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000.  159,400
Original number of dies (O) (Esty 2011 formula)The estimation of the number of coins according to the singleton formula in Esty 2011  (O) 8.67 Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000.  0.00065
Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O)  (o = % of O) 99.03% Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000.  25,846.93
Weight of silver (in kg) if 20,000 coins per die (O = Carter formula)Carter 1983 * Median weight * 20000 (*10 if gold or electrum)  2,726 kg <br /> 2,726 kg Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000.  64,617.31
Remarks

Most likely one single workstation

References

  1. ^  Taylor, Lloyd W. H. (2019), "The Susa Wreath Group Alexanders: The First Step in the Transformation of an Anchor Seal to a Dynastic Emblem," Koinon. The International Journal of Classical Numismatic Studies, 2, p. 63-83.
  2. ^  Price, Martin Jessop (1991), The Coinage in the Name of Alexander the Great and Philip Arrhidaeus: a British Museum Catalogue, 2 vol., Zürich-London, 637 p., 637 p., clix pl.