Cos, silver, tetradrachms (Heracles/crab) (370-345 BCE) Meadows
From SILVER
370 BCE - 345 BCE Silver 2,488 kg
Description
| Obverse: | Bearded head of Herakles to left, wearing lion skin headdress |
| Reverse: | KΩION - ΑΛΚΙΜΑΧΟΣ (Greek).Crab with club below, all within pelleted square within faint incuse square |
Mint and issuing power
| Mint: | Cos | Ancient region: | Caria (islands) | Modern country: Greece | Authority: |
Chronology
| From | 370 BCE | to | 345 BCE | Period: Classical 480-323 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 15.10 | Denomination: | tetradrachm
|
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.]]1Ashton et al. 2002, p. 230-233 | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2Sear II, n° 4985-4986, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3HGC 6, n° 1302 | ||
| Coin series web reference: | |||
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 8 | Number of singletons (o1) ᵖ | 1 |
| Number of reverse dies (r) | 23 | Number of coins (n) | 69 |
| Coins per obverse die (n/o) | 8.63 | Coins per reverse die (n/r) | 3 |
| Reverse per obverse ratio (r/o) | 2.88 | Percentage of singletons (o1) ᵖ | 12.5 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 8.24 | Coins struck if 20,000 as average productivity per die ᵖ | 164,800 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 9.05 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00042 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 98.55% | Die productivity if survival rate 1/2,000 ᵖ | 16,747.57 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 2,488 kg <br /> 2,488 kg | Die productivity if survival rate 1/5,000 ᵖ | 41,868.93 |
Remarks
Most likely more than 2 workstations
References
- ^ Ashton, Richard - Hardwick, Nicholas - Kinns, Philip - Konuk, Koray - Meadows, Andrew (2002), "The Pixodarus Hoard (CH 9.421)", Coin Hoards, IX, RNS Spec. Publ. 35, London, p. 159-243.
- ^ Sear, David R. (1979), Greek coins and their values. Vol. II, Asia and North Africa, London, xlviii, p. 317-762
- ^ Hoover, Oliver D. (2010), The Handbook of Greek Coinage Series, volume 6 : handbook of coins of the islands: Adriatic, Ionian, Thracian, Aegean, and Carpathian seas (excluding Crete and Cyprus), sixth to first centuries BC, Lancaster, 358 p.
