Idalium, silver, 1/3rd double sigloi (seated Sphinx/incuse square)(500-480 BCE)
From SILVER
500 BCE - 480 BCE Silver 243 kg
Description
| Obverse: | Sphinx seated with foreleg raised |
| Reverse: | (Cypriot).Incuse square |
Mint and issuing power
| Mint: | Idalium | Ancient region: | Cyprus | Modern country: Greece | Authority: |
Chronology
| From | 500 BCE | to | 480 BCE | Period: Archaic until 480 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 3.60 | Denomination: | 1/3 double siglos | Standard: | Persian |
Image
References
| Die study reference: | "[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Markou 2025, p. 39, n° 55-69 | ||
| Coin series reference: | |||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 1 | 33.33 | 1 | 7.14 | 3 |
| 2 | 1 | 33.33 | 2 | 14.29 | 2 |
| 11 | 1 | 33.33 | 11 | 78.57 | 1 |
| Total | 3 of 3 | 99.99 | 14 of 14 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 3 | Number of singletons (o1) ᵖ | 1 |
| Number of reverse dies (r) | 5 | Number of coins (n) | 14 |
| Coins per obverse die (n/o) | 4.67 | Coins per reverse die (n/r) | 2.8 |
| Reverse per obverse ratio (r/o) | 1.67 | Percentage of singletons (o1) ᵖ | 33.33 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 3.38 | Coins struck if 20,000 as average productivity per die ᵖ | 67,600 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 3.82 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00021 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 92.86% | Die productivity if survival rate 1/2,000 ᵖ | 8,284.02 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 243 kg <br /> 243 kg | Die productivity if survival rate 1/5,000 ᵖ | 20,710.06 |
Remarks
Most likely one single workstation
References
- ^ 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.
