S 570 - Carthaea, bronze (Apollo/Sirius) (220-180 BCE)
From SILVER
220 BCE - 180 BCE Bronze
Description
| Obverse: | Head of Apollo right, wearing laurel wreath. |
| Reverse: | KAPΘA (Greek).Forepart of Sirius right, rays above |
Mint and issuing power
| Mint: | Carthaea | Ancient region: | Cyclades | Modern country: Greece | Authority: |
Chronology
| From | 220 BCE | to | 180 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Bronze
|
Median weight in grams | 6.50 | 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.]]1Papageorgiadou-Banis 1997, p. 98-101, n) 76-154 (series VIII) | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2Sear I, n° 3079 | ||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 20 | 55.56 | 20 | 16.67 | 47, 48, 53, 56, 57, 58, 59, 60, 63, 64, 65, 69, 70, 71, 72, 73, 77, 78, 79, 81 |
| 2 | 4 | 11.11 | 8 | 6.67 | 50, 55, 76, 80 |
| 3 | 3 | 8.33 | 9 | 7.5 | 49, 54, 74 |
| 4 | 1 | 2.78 | 4 | 3.33 | 68 |
| 6 | 2 | 5.56 | 12 | 10 | 46, 51 |
| 7 | 1 | 2.78 | 7 | 5.83 | 66 |
| 8 | 1 | 2.78 | 8 | 6.67 | 67 |
| 12 | 2 | 5.56 | 24 | 20 | 61, 75 |
| 19 | 1 | 2.78 | 19 | 15.83 | 62 |
| 9 | 1 | 2.78 | 9 | 7.5 | 67 |
| Total | 36 of 36 | 100.02 | 120 of 120 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 36 | Number of singletons (o1) ᵖ | 20 |
| Number of reverse dies (r) | 66 | Number of coins (n) | 120 |
| Coins per obverse die (n/o) | 3.33 | Coins per reverse die (n/r) | 1.82 |
| Reverse per obverse ratio (r/o) | 1.83 | Percentage of singletons (o1) ᵖ | 55.56 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 44.11 | Coins struck if 20,000 as average productivity per die ᵖ | 882,200 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 51.43 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00014 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 83.33% | Die productivity if survival rate 1/2,000 ᵖ | 5,440.94 |
| 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 | 13,602.36 |
Remarks
Most likely one single workstation
