Idalium, silver, double sigloi (seated Sphinx/incuse square)(500-480 BCE)
From SILVER
500 BCE - 480 BCE Silver 683 kg
Description
| Obverse: | Sphinx seated with foreleg raised |
| Reverse: | 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 | 10.80 | Denomination: | 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. 37, n° 1-21 | ||
| 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 | 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 obverses ᵖ (o) | 3 | Number of singletons (o1) ᵖ | 1 |
| Number of reverse dies (r) | 6 | Number of coins (n) | 21 |
| Coins per obverse die (n/o) | 7 | Coins per reverse die (n/r) | 3.5 |
| Reverse per obverse ratio (r/o) | 2 | Percentage of singletons (o1) ᵖ | 33.33 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 3.16 | Coins struck if 20,000 as average productivity per die ᵖ | 63,200 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 3.5 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00033 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 95.24% | Die productivity if survival rate 1/2,000 ᵖ | 13,291.14 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 683 kg <br /> 683 kg | Die productivity if survival rate 1/5,000 ᵖ | 33,227.85 |
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.
