Idalium, silver, double sigloi (seated Sphinx/incuse square)(500-480 BCE)

From SILVER
SILVER IDUnique ID of the page ᵖ: 31073


500 BCE - 480 BCE Silver 683 kg

Description
ObverseInscription or printing placed on the obverse.: Sphinx seated with foreleg raised
ReverseInscription or printing placed on the reverse.: Incuse square
Mint and issuing power
MintIdentifies the place of manufacture or issue of a numismatic object.: Idalium Ancient regionAncient region.: Cyprus 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. 500 BCE toIdentifies the final date in a range assigned in a numismatic context.. 480 BCE PeriodTime period of the numismatic object.: Archaic until 480 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 10.80 DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: double siglos Nomisma.org StandardStandard.: Persian
Image
]]Idalium_double_sigloi_500_480.jpg [1]
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.]]1Markou 2025, p. 37, n° 1-21
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 1 33.33 1 4.76 1
7 1 33.33 7 33.33 1
13 1 33.33 13 61.9 2
Total 3 of 3 99.99 21 of 21 99.99
Reverse dies distribution

no distribution is available

Quantification
Number of obversesNumber of obverse dies. ᵖ (o) 3 Number of singletons (o1)The number of singleton coins. ᵖ 1
Number of reverse diesNumber of reverse dies. (r) 6 Number of coinsNumber of coins. (n) 21
Coins per obverse dieNumber of coins per obverse die. (n/o) 7 Coins per reverse dieNumber of coins per reverse die. (n/r) 3.5
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) ᵖ 33.33 %
Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ 3.16 Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ 63,200
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) 3.5 Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ 0.00033
Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O) 95.24% Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ 13,291.14
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 683 kg <br /> 683 kg Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ 33,227.85
Remarks

Most likely one single workstation

References

  1. ^  Markou, Evangelina (2025), The Royal Coinages of Kition and Idalion. A Numismatic and Historical Study (6th-4th c. BC), Meletemata 89, Athens, 592 p., 88 pl.