S 749 - Cydonia, silver, hemidrachms (431-404 BCE)
From SILVER
431 BCE - 404 BCE Silver 1,212 kg
Description
| Obverse: | Turtle. (In the field, cressant or A). |
| Reverse: | Incuse square |
Mint and issuing power
| Mint: | Cydonia | Ancient region: | Crete | Modern country: Greece | Authority: |
Chronology
| From | 431 BCE | to | 404 BCE | Period: Classical 480-323 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 2.70 | Denomination: | hemidrachm
|
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. 48-53, no. 44-77 et 88-96 (hémidrachme, période I, groupe 3, types E-F, H). | ||
| 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 | 12 | 63.16 | 12 | 16.67 | |
| 2 | 3 | 15.79 | 6 | 8.33 | |
| 5 | 1 | 5.26 | 5 | 6.94 | |
| 11 | 1 | 5.26 | 11 | 15.28 | |
| 15 | 1 | 5.26 | 15 | 20.83 | |
| 23 | 1 | 5.26 | 23 | 31.94 | |
| Total | 19 of 19 | 99.99 | 72 of 72 | 99.99 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 19 | Number of singletons (o1) ᵖ | 12 |
| Number of reverse dies (r) | 42 | Number of coins (n) | 72 |
| Coins per obverse die (n/o) | 3.79 | Coins per reverse die (n/r) | 1.71 |
| Reverse per obverse ratio (r/o) | 2.21 | Percentage of singletons (o1) ᵖ | 63.16 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 22.44 | Coins struck if 20,000 as average productivity per die ᵖ | 448,800 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 25.81 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00016 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 83.33% | Die productivity if survival rate 1/2,000 ᵖ | 6,417.11 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 1,212 kg <br /> 1,212 kg | Die productivity if survival rate 1/5,000 ᵖ | 16,042.78 |
Remarks
References
- ^ Stefanakis, Manolis. I (1997), Studies in the coinages of Crete with particular reference to Kydonia [Unpublished doctoral dissertation], London University.
