Gela, silver, tetradrachms (charioteer driving quadriga/man-headed bull) (415-405 BCE)
From SILVER
415 BCE - 405 BCE Silver 1,682 kg
Description
| Obverse: | Fast quadriga driven l. by charioteer holding kentron and reins; above, eagle flying l. and, in exergue, ear of barley l. |
| Reverse: | ΓΕΛAΣ (Greek).Man-headed bull standing l., to l., long barley-stalk with ear in front of bull's face and another below its beard. In exergue, barley grain. |
Mint and issuing power
| Mint: | Gela | Ancient region: | Sicily | Modern country: Italy | Authority: |
Chronology
| From | 415 BCE | to | 405 BCE | Period: Classical 480-323 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 17.20 | Denomination: | tetradrachm
|
Standard: | Attic |
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.]]1Jenkins 1970, p. 265-268, n° 481-488 (groupe IX). | ||
| 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° 806-807, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3RQEMAC, n° 54, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]4HGC 2, n° 357 | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 1 | 20 | 1 | 1.1 | 98 |
| 2 | 1 | 20 | 2 | 2.2 | 99 |
| 9 | 1 | 20 | 9 | 9.89 | 95 |
| 37 | 1 | 20 | 37 | 40.66 | 96 |
| 42 | 1 | 20 | 42 | 46.15 | 97 |
| Total | 5 of 5 | 100 | 91 of 91 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 5 | Number of singletons (o1) ᵖ | 1 |
| Number of reverse dies (r) | 5 | Number of coins (n) | 91 |
| Coins per obverse die (n/o) | 18.2 | Coins per reverse die (n/r) | 18.2 |
| Reverse per obverse ratio (r/o) | 1 | Percentage of singletons (o1) ᵖ | 20 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 4.89 | Coins struck if 20,000 as average productivity per die ᵖ | 97,800 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 5.29 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00093 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 98.9% | Die productivity if survival rate 1/2,000 ᵖ | 37,218.81 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 1,682 kg <br /> 1,682 kg | Die productivity if survival rate 1/5,000 ᵖ | 93,047.03 |
Remarks
Most likely one single workstation
References
- ^ Jenkins, Gilbert Kenneth (1970), The Coinage of Gela, AMUGS II, 2 vol., Berlin
- ^ Sear, David R. (1978), Greek coins and their values. Vol. I, Europe, London, xl, 316 p.
- ^ Callataÿ, François de (2003), Recueil quantitatif des émissions monétaires archaïques et classiques, Numismatique Romaine, Wetteren, VII + 267 p.
- ^ Hoover, Oliver D. (2012), The Handbook of Greek Coinage Series. 2. Handbook of the Coins of Sicily (Including Lipara). Civic, Royal, Siculo-Punic, and Romano-Sicilian Issues. Sixth to First Centuries BC, Lancaster-London, 489 p.
