Cos, silver, didrachms (Heracles/veiled female head) (365-355 BCE) Ingvaldsen
From SILVER
365 BCE - 355 BCE Silver 673 kg
Description
| Obverse: | Head of Heracles right, bearded, wearing Nemean lion skin headdress. |
| Reverse: | ΚΩΙΟΝ (Greek).Female head left, wearing veil. (In the field, letters.) |
Mint and issuing power
| Mint: | Cos | Ancient region: | Caria (islands) | Modern country: Greece | Authority: |
Chronology
| From | 365 BCE | to | 355 BCE | Period: Classical 480-323 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 7.00 | Denomination: | didrachm
|
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.]]1Ingvaldsen 2002, p. 223-228 (series IV) | ||
| 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° 4988, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3HGC 6, n° 1304-1306, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]4Stefanaki 2012, p. 209-217, n° 537-711 (6.13) | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 17 | 1 | 20 | 17 | 11.81 | 5 |
| 19 | 2 | 40 | 38 | 26.39 | 2, 4 |
| 38 | 1 | 20 | 38 | 26.39 | 3 |
| 51 | 1 | 20 | 51 | 35.42 | 1 |
| Total | 5 of 5 | 100 | 144 of 144 | 100.01 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 5 | Number of singletons (o1) ᵖ | 0 |
| Number of reverse dies (r) | 28 | Number of coins (n) | 144 |
| Coins per obverse die (n/o) | 28.8 | Coins per reverse die (n/r) | 5.14 |
| Reverse per obverse ratio (r/o) | 5.6 | Percentage of singletons (o1) ᵖ | 0 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 4.81 | Coins struck if 20,000 as average productivity per die ᵖ | 96,200 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 5.18 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00150 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 100% | Die productivity if survival rate 1/2,000 ᵖ | 59,875.26 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 673 kg <br /> 673 kg | Die productivity if survival rate 1/5,000 ᵖ | 149,688.15 |
Remarks
Most likely two workstations
References
- ^ Ingvaldsen, Håkon (2002), Cos. Coinage and Society. The chronology and function of a city-state coinage in the Classical and Hellenistic period, c. 390 - c. 170 BC, unpublished doctoral dissertation, Oslo University.
- ^ 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.
- ^ Stefanaki, Vassiliki E. (2012), Nomismata. Nomismatike Aigaiou : Kos I, Athens, 531 p.
