H 91 - Cabyle (Skostokos), bronzes (head/horseman) (260-245 BCE)
From SILVER
260 BCE - 245 BCE Bronze
Description
| Obverse: | Bareheaded and draped bust right. |
| Reverse: | ΣKOΣTOKOY (Greek).Horseman galloping right, holding baton. |
Mint and issuing power
| Mint: | Cabyle | Ancient region: | Thrace | Modern country: Bulgaria | Authority: | Skostokos (vassal of Lysimachus or ruler in Thrace ?) |
Chronology
| From | 260 BCE | to | 245 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Bronze
|
Median weight in grams | 4.30 | Denomination: | 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.]]1Draganov 1993, n° 27.1-75.49. | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2RQEMH, n° 91 | ||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 1 | 16.67 | 1 | 2.22 | 5 |
| 4 | 1 | 16.67 | 4 | 8.89 | 3 |
| 6 | 1 | 16.67 | 6 | 13.33 | 2 |
| 9 | 1 | 16.67 | 9 | 20 | 4 |
| 12 | 1 | 16.67 | 12 | 26.67 | 6 |
| 13 | 1 | 16.67 | 13 | 28.89 | 1 |
| Total | 6 of 6 | 100.02 | 45 of 45 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 6 | Number of singletons (o1) ᵖ | 1 |
| Number of reverse dies (r) | 8 | Number of coins (n) | 45 |
| Coins per obverse die (n/o) | 7.5 | Coins per reverse die (n/r) | 5.63 |
| Reverse per obverse ratio (r/o) | 1.33 | Percentage of singletons (o1) ᵖ | 16.67 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 6.27 | Coins struck if 20,000 as average productivity per die ᵖ | 125,400 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 6.92 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00036 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 97.78% | Die productivity if survival rate 1/2,000 ᵖ | 14,354.07 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | n.a. | Die productivity if survival rate 1/5,000 ᵖ | 35,885.17 |
Remarks
Most likely one single workstation
