S 1961 - Ephesus, silver, double sigloi (405 BCE) Kinns
From SILVER
405 BCE - 405 BCE Silver 990 kg
Description
| Obverse: | Σ-YN around (Greek).The Herakliskos Drakonopnigon: the Infant Herakles, nude, crouching to right, strangling a serpent coiled around each arm |
| Reverse: | E-Φ across upper fields (Greek).Bee with straight wings, Π-E across lower fields |
Mint and issuing power
| Mint: | Ephesus | Ancient region: | Ionia | Modern country: Turkey | Authority: |
Chronology
| From | 405 BCE | to | 405 BCE | Period: Classical 480-323 BC |
Physical description
| Metal: | Silver |
Median weight in grams | 10.90 | 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.]]1Ashton - Kinns - Konuk - Meadows 2002, p. 101 | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2Sear II, n° 4370 | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 2 | 50 | 2 | 11.11 | 3, 4 |
| 2 | 1 | 25 | 2 | 11.11 | 1 |
| 14 | 1 | 25 | 14 | 77.78 | 2 |
| Total | 4 of 4 | 100 | 18 of 18 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 4 | Number of singletons (o1) ᵖ | 2 |
| Number of reverse dies (r) | 8 | Number of coins (n) | 18 |
| Coins per obverse die (n/o) | 4.5 | Coins per reverse die (n/r) | 2.25 |
| Reverse per obverse ratio (r/o) | 2 | Percentage of singletons (o1) ᵖ | 50 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 4.54 | Coins struck if 20,000 as average productivity per die ᵖ | 90,800 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 5.14 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00020 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 88.89% | Die productivity if survival rate 1/2,000 ᵖ | 7,929.52 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 990 kg <br /> 990 kg | Die productivity if survival rate 1/5,000 ᵖ | 19,823.79 |
Remarks
Most likely one single workstation Obv. 3 is possibly the same as obv. 2