Cos, silver, hemidrachms (Asclepius/coiled snake) (201-190 BCE)

From SILVER
SILVER IDUnique ID of the page ᵖ: 9259


201 BCE - 190 BCE Silver 419 kg

Description
ObverseInscription or printing placed on the obverse.: Head of Asklepios laureate, right, in circular dotted border.
ReverseInscription or printing placed on the reverse.: KΩΙΟΝ (nos 1-7) ou ΚΩΙΩΝ (nos 8-9) (Greek).Rearing coiled snake with head raised to right, KΩΙ to left of snake's raised forepart, -ON/ΩΝ to right, name below snake, all in a circular dotted border.
Mint and issuing power
MintIdentifies the place of manufacture or issue of a numismatic object.: Cos Ancient regionAncient region.: Caria (islands) 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. 201 BCE toIdentifies the final date in a range assigned in a numismatic context.. 190 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 2.30 DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: hemidrachm Nomisma.org StandardStandard.:
Image
]]S_497_-_Cos, _silver, _hemidrachm, _201-190_BC_(Höghammar_2007, _PL_XVI, _9).png
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.]]1Höghammar 2007, p. 81-82, pl. 16-17 (Issue D).
Coin series referenceReference to coin series study:
Coin series web referenceCoin series web references:



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 2 40 2 22.22 4, 5
2 2 40 4 44.44 2, 3
3 1 20 3 33.33 1
Total 5 of 5 100 9 of 9 99.99
Reverse dies distribution

no distribution is available

Quantification
Number of obversesNumber of obverse dies. ᵖ (o) 5 Number of singletons (o1)The number of singleton coins. ᵖ 2
Number of reverse diesNumber of reverse dies. (r) 7 Number of coinsNumber of coins. (n) 9
Coins per obverse dieNumber of coins per obverse die. (n/o) 1.8 Coins per reverse dieNumber of coins per reverse die. (n/r) 1.29
Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) 1.4 Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ 40 %
Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ 9.11 Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ 182,200
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) 11.25 Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ 0.00005
Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O) 77.78% Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ 1,975.85
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 419 kg <br /> 419 kg Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ 4,939.63
Remarks

Most likely one single workstation

References

  1. ^  Höghammar, Kerstin (2007), "A Group of Koan Issues from c. 200 BC", Numismatic Chronicle 167, p. 81-82, pl. 16-17 (Issue D).