S 574 - Kea (uncertain mint), bronze (Aristaeus/grapes) (330-280 BCE)
From SILVER
330 BCE - 280 BCE Bronze
Description
| Obverse: | E-Y-Ξ (Greek).Bearded head of Aristaios to right |
| Reverse: | KEI (Greek).Grape cluster hanging from a vine branch |
Mint and issuing power
| Mint: | Kea (uncertain mint) | Ancient region: | Cyclades | Modern country: Greece | Authority: | Keian League |
Chronology
| From | 330 BCE | to | 280 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Bronze
|
Median weight in grams | 1.50 | 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. 102, n° 1-12 (series I) | ||
| 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° 3077 | ||
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 11 | Number of singletons (o1) ᵖ | 9 |
| Number of reverse dies (r) | 9 | Number of coins (n) | 15 |
| Coins per obverse die (n/o) | 1.36 | Coins per reverse die (n/r) | 1.67 |
| Reverse per obverse ratio (r/o) | 0.82 | Percentage of singletons (o1) ᵖ | 81.82 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 32.72 | Coins struck if 20,000 as average productivity per die ᵖ | 654,400 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 41.25 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00002 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 40% | Die productivity if survival rate 1/2,000 ᵖ | 916.87 |
| 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 | 2,292.18 |
Remarks
Most likely one single workstation
