S 1866 - Opous (Locrians), silver, triobols (Athena) (300-275 BCE)

From SILVER
SILVER IDUnique ID of the page : 13116


300 BCE - 275 BCE Silver 474 kg

Description
ObverseInscription or printing placed on the obverse.: Helmeted head of Athena right
ReverseInscription or printing placed on the reverse.: ΛΟΚΡΩΝ (Greek).Ajax advancing right, holding sword and shield, trident to right
Mint and issuing power
MintIdentifies the place of manufacture or issue of a numismatic object.: Opous Ancient regionAncient region.: Locri Opuntii (Opus) Modern countryModern country: Greece 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:
Chronology
FromIdentifies the initial date in a range assigned in a numismatic context. 300 BCE toIdentifies the final date in a range assigned in a numismatic context.. 275 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 2.70 DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: hemidrachm Nomisma.org, triobol Nomisma.org StandardStandard.:
Image
S1866 Lokrians hemidrachms Athena.jpg [1]
References
Die study referencePublication of the study: Morineau Humphris - Delbridge 20141Morineau Humphris - Delbridge 2014, p. 129-133
Coin series referenceReference to coin series study: Sear I2Sear I, n° 2332, HGC 43HGC 4, n° 979
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).
4 1 11.11 4 2.25 7
5 1 11.11 5 2.81 8
6 1 11.11 6 3.37 6
12 1 11.11 12 6.74 9
23 1 11.11 23 12.92 3
27 2 22.22 54 30.34 2, 5
33 1 11.11 33 18.54 4
41 1 11.11 41 23.03 1
Total 9 of 9 99.99 178 of 178 100
Reverse dies distribution

no distribution is available


Quantification
Number of obversesNumber of obverse dies.  (o) 9 Number of singletons (o1)The number of singleton coins. 
Number of reverse diesNumber of reverse dies. (r) 10 Number of coinsNumber of coins. (n) 178
Coins per obverse dieNumber of coins per obverse die. (n/o) 19.78 Coins per reverse dieNumber of coins per reverse die. (n/r) 17.8
Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) 1.11 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  8.77 Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000.  175,400
Original number of dies (O) (Esty 2011 formula)The estimation of the number of coins according to the singleton formula in Esty 2011  (O) 9.48 Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000.  0.00101
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.  40,592.93
Weight of silver (in kg) if 20,000 coins per die (O = Carter formula)Carter 1983 * Median weight * 20000 (*10 if gold or electrum)  474 kg <br /> 474 kg Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000.  101,482.33
Remarks

Most likely two workstations

References

  1. ^  Morineau Humphris, Jacqueline - Delbridge, Diana (2014), The Coinage of the Opuntian Lokrians, RNS Spec. Publ. 50, London, RNS, 264 p., 61 pl.
  2. ^  Sear, David R. (1978), Greek coins and their values. Vol. I, Europe, London, xl, 316 p.
  3. ^  Hoover, Oliver D. (2014), Handbook of Greek Coinage Series 4. Northern and Central Greece : Achaia Phthiotis, Ainis, Magnesia, Malis, Oita, Perrhaibia, Thessaly, Akarnania, Aitolia, Lokris, Phokis, Boiotia, Euboia, Attica, Megaris and Corinthia, sixth to first centuries BC, Lancaster, lxxi, 563 p.