S 182 - Coressia, silver, obols (510-470 BCE)
From SILVER
510 BCE - 470 BCE Silver 111 kg
Description
| Obverse: | Ϙ (Greek).Cuttlefish, dolphin ascending r. |
| Reverse: | Incuse square. |
Mint and issuing power
| Mint: | Coressia | Ancient region: | Cyclades | Modern country: Greece | Authority: |
Chronology
| From | 510 BCE | to | 470 BCE | Period: Archaic until 480 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 0.80 | Denomination: | obol
|
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. 78-79, n° 26-33 (Series II), "[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2Sheedy 2006, p. 167-168, no. 26-31, p. 168, no. 35-36. | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3Sear I, n° 3084 | ||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 3 | 50 | 3 | 12 | 18, 22, 23 |
| 2 | 1 | 16.67 | 2 | 8 | 16 |
| 6 | 1 | 16.67 | 6 | 24 | 17 |
| 14 | 1 | 16.67 | 14 | 56 | 15 |
| Total | 6 of 6 | 100.01 | 25 of 25 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 6 | Number of singletons (o1) ᵖ | 3 |
| Number of reverse dies (r) | 6 | Number of coins (n) | 25 |
| Coins per obverse die (n/o) | 4.17 | Coins per reverse die (n/r) | 4.17 |
| Reverse per obverse ratio (r/o) | 1 | Percentage of singletons (o1) ᵖ | 50 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 6.92 | Coins struck if 20,000 as average productivity per die ᵖ | 138,400 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 7.89 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00018 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 88% | Die productivity if survival rate 1/2,000 ᵖ | 7,225.43 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 111 kg <br /> 111 kg | Die productivity if survival rate 1/5,000 ᵖ | 18,063.58 |
Remarks
Most likely one single workstation Papageorgiadou-Banis 1997: 24 coins, 6 obv., 6 rev.
References
- ^ Papageorgiadou-Banis, Charikleia (1997), The Coinage of Kea, Meletemata 24, Athens, viii, 107 p., 21 pl.
- ^ Sheedy, Kenneth A. (2006), The Archaic and Early Classical Coinages of the Cyclades, RNS Spec. Publ. 40, London, viii, 261 p., 20 pl.
- ^ Sear, David R. (1978), Greek coins and their values. Vol. I, Europe, London, xl, 316 p.
