S 575 - Kea (uncertain mint), bronze (Aristaeus/Sirius) (220-180 BCE)
From SILVER
220 BCE - 180 BCE Bronze
Description
| Obverse: | Radiate head of Aristaeus right |
| Reverse: | KE, KEI ou KEIΩΝ (Greek).Forepart of dog (Seirios) left, surrounded by rays |
Mint and issuing power
| Mint: | Kea (uncertain mint) | Ancient region: | Cyclades | Modern country: Greece | Authority: | Keian League |
Chronology
| From | 220 BCE | to | 180 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Bronze
|
Median weight in grams | 4.00 | 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. 102-106, n° 13-139 (series II) | ||
| 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° 3076 | ||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 19 | 43.18 | 19 | 11.38 | 17, 21, 26, 27, 29, 34, 35, 36, 37, 38, 39, 40, 42, 49, 50, 51, 52, 54, 55 |
| 2 | 5 | 11.36 | 10 | 5.99 | 20, 22, 24, 33, 53 |
| 3 | 3 | 6.82 | 9 | 5.39 | 30, 32, 43 |
| 4 | 5 | 11.36 | 20 | 11.98 | 12, 15, 31, 41, 46 |
| 5 | 3 | 6.82 | 15 | 8.98 | 16, 19, 48 |
| 7 | 1 | 2.27 | 7 | 4.19 | 28 |
| 8 | 1 | 2.27 | 8 | 4.79 | 23 |
| 9 | 3 | 6.82 | 27 | 16.17 | 13, 14, 44 |
| 10 | 1 | 2.27 | 10 | 5.99 | 25 |
| 11 | 1 | 2.27 | 11 | 6.59 | 47 |
| 14 | 1 | 2.27 | 14 | 8.38 | 18 |
| 17 | 1 | 2.27 | 17 | 10.18 | 45 |
| Total | 44 of 44 | 99.98 | 167 of 167 | 100.01 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 44 | Number of singletons (o1) ᵖ | 19 |
| Number of reverse dies (r) | 116 | Number of coins (n) | 167 |
| Coins per obverse die (n/o) | 3.8 | Coins per reverse die (n/r) | 1.44 |
| Reverse per obverse ratio (r/o) | 2.64 | Percentage of singletons (o1) ᵖ | 43.18 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 51.95 | Coins struck if 20,000 as average productivity per die ᵖ | 1,039,000 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 59.74 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00016 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 88.62% | Die productivity if survival rate 1/2,000 ᵖ | 6,429.26 |
| 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 | 16,073.15 |
Remarks
