S 763 - Cydonia, silver, didrachms (280-250 BCE)
From SILVER
280 BCE - 250 BCE Silver 1,322 kg
Description
| Obverse: | Head of Diktynna left or right, (wearing ivy wreath). (Border of dots). |
| Reverse: | ΚΥΔΩΝ (Greek).Kydon standing left, stringing bow, in pellet border within shallow circular incuse |
Mint and issuing power
| Mint: | Cydonia | Ancient region: | Crete | Modern country: Greece | Authority: |
Chronology
| From | 280 BCE | to | 250 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 11.60 | Denomination: | didrachm
|
Standard: |
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.]]1Stefanakis 1997, p. 141-143, n° 196-202 (Group III) | ||
| 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 | 2 | 40 | 2 | 9.09 | |
| 2 | 1 | 20 | 2 | 9.09 | |
| 4 | 1 | 20 | 4 | 18.18 | |
| 14 | 1 | 20 | 14 | 63.64 | |
| Total | 5 of 5 | 100 | 22 of 22 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 5 | Number of singletons (o1) ᵖ | 2 |
| Number of reverse dies (r) | 3 | Number of coins (n) | 22 |
| Coins per obverse die (n/o) | 4.4 | Coins per reverse die (n/r) | 7.33 |
| Reverse per obverse ratio (r/o) | 0.6 | Percentage of singletons (o1) ᵖ | 40 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 5.7 | Coins struck if 20,000 as average productivity per die ᵖ | 114,000 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 6.47 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00019 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 90.91% | Die productivity if survival rate 1/2,000 ᵖ | 7,719.3 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 1,322 kg <br /> 1,322 kg | Die productivity if survival rate 1/5,000 ᵖ | 19,298.25 |
Remarks
References
- ^ Stefanakis, Manolis. I (1997), Studies in the coinages of Crete with particular reference to Kydonia [Unpublished doctoral dissertation], London University.
