Capua (Campanian mercenaries), didrachm (female head/man-head bull) (415-400 BCE)
From SILVER
415 BCE - 400 BCE Silver 336 kg
Description
| Obverse: | Female head r. |
| Reverse: | KAMΠANO (Greek).Man-headed bull walking r. |
Mint and issuing power
| Mint: | Capua | Ancient region: | Campania | Modern country: Italy | Authority: | Campanian mercenaries |
Chronology
| From | 415 BCE | to | 400 BCE | Period: Classical 480-323 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 7.40 | 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.]]1Campana 2010b, p. 38-39 | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2HN Italy, n° 476 | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 2 | 1 | 50 | 2 | 22.22 | 1 |
| 7 | 1 | 50 | 7 | 77.78 | 2 |
| Total | 2 of 2 | 100 | 9 of 9 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 2 | Number of singletons (o1) ᵖ | 0 |
| Number of reverse dies (r) | 2 | Number of coins (n) | 9 |
| Coins per obverse die (n/o) | 4.5 | Coins per reverse die (n/r) | 4.5 |
| Reverse per obverse ratio (r/o) | 1 | Percentage of singletons (o1) ᵖ | 0 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 2.27 | Coins struck if 20,000 as average productivity per die ᵖ | 45,400 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 2.57 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00020 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 100% | 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 | 336 kg <br /> 336 kg | Die productivity if survival rate 1/5,000 ᵖ | 19,823.79 |
Remarks
Most likely one single workstation
