Gela, silver, didrachms (rider/forepart of man-headed bull) (420-415 BCE)
From SILVER
420 BCE - 415 BCE Silver 168 kg
Description
| Obverse: | Rider galloping right, wearing Phrygian helmet, short chiton and chlamys, hurling javelin from upraised right hand. |
| Reverse: | ΓΕΛAΣ (Greek).Forepart of man-headed bull (the river-god Gelas) left. |
Mint and issuing power
| Mint: | Gela | Ancient region: | Sicily | Modern country: Italy | Authority: |
Chronology
| From | 420 BCE | to | 415 BCE | Period: Classical 480-323 BC |
Physical description
| Metal: | Silver |
Median weight in grams | 8.40 | Denomination: | didrachm |
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. 263-264, n° 479 (groupe VIII). | ||
| 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° 802, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3HGC 2, n° 366 | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 13 | 1 | 100 | 13 | 100 | 93 |
| Total | 1 of 1 | 100 | 13 of 13 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 1 | Number of singletons (o1) ᵖ | |
| Number of reverse dies (r) | 1 | Number of coins (n) | 13 |
| Coins per obverse die (n/o) | 13 | Coins per reverse die (n/r) | 13 |
| Reverse per obverse ratio (r/o) | 1 | Percentage of singletons (o1) ᵖ | % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 1 | Coins struck if 20,000 as average productivity per die ᵖ | 20,000 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 1.08 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00065 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | % | Die productivity if survival rate 1/2,000 ᵖ | 26,000 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 168 kg <br /> 168 kg | Die productivity if survival rate 1/5,000 ᵖ | 65,000 |
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.
- ^ 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.