S 1570 - Carthage, silver, double shekels (255-241 BCE) Visona
From SILVER
255 BCE - 241 BCE Silver 76,235 kg
Description
| Obverse: | Wreathed head of Tanit to left wearing earring and necklace, dotted border |
| Reverse: | Horse standing to right, with a large star above horse |
Mint and issuing power
| Mint: | Carthage | Ancient region: | Zeugitana | Modern country: Tunisia | Authority: | Carthaginian Empire |
Chronology
| From | 255 BCE | to | 241 BCE | Period: |
Physical description
| Metal: | Silver 
|
Median weight in grams | 14.50 | Denomination: | double shekel, tetradrachm | Standard: |
Image
_Visona.jpg)
References
| Die study reference: | "[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Visona 2006 | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2Alexandropoulos 2007, n° 40-42 | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 37 | 86.05 | 37 | 75.51 | a1, a2, a5, a6, a7, a9, a10, a11, a14, a15, a16, a17, a18, a20, b1, b2, b3, b4, b5, b6, b7, b8, b9, b10, b11, b12, b13, b14, b15, b16, b17, b18, b19, b20, b21, b22, b23 |
| 2 | 6 | 13.95 | 12 | 24.49 | a3, a4, a8, a12, a13, a19 |
| Total | 43 of 43 | 100 | 49 of 49 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 43 | Number of singletons (o1) ᵖ | 37 |
| Number of reverse dies (r) | 50 | Number of coins (n) | 49 |
| Coins per obverse die (n/o) | 1.14 | Coins per reverse die (n/r) | 0.98 |
| Reverse per obverse ratio (r/o) | 1.16 | Percentage of singletons (o1) ᵖ | 86.05 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 262.88 | Coins struck if 20,000 as average productivity per die ᵖ | 5,257,600 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 351.17 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00001 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 24.49% | Die productivity if survival rate 1/2,000 ᵖ | 372.79 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 76,235 kg <br /> 76,235 kg | Die productivity if survival rate 1/5,000 ᵖ | 931.98 |
Remarks
