Metapontum, silver, diobols (430-400 BCE)
From SILVER
430 BCE - 400 BCE Silver 82 kg
Description
| Obverse: | Youthful, horned head to r. |
| Reverse: | META (Greek).Weakly modelled five-rained ear. |
Mint and issuing power
| Mint: | Metapontum | Ancient region: | Lucania | Modern country: Italy | Authority: |
Chronology
| From | 430 BCE | to | 400 BCE | Period: Classical 480-323 BC |
Physical description
| Metal: | Silver |
Median weight in grams | 1.15 | Denomination: | triobol |
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.]]1Noe - Johnston 1984, n° 363-365. | ||
| 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° 402 and 412, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3RQEMAC, n° 6b, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]4HN Italy, n° 1509, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]5HGC 1, n° 1072 | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 1 | 33.33 | 1 | 9.09 | 365 |
| 4 | 1 | 33.33 | 4 | 36.36 | 364 |
| 6 | 1 | 33.33 | 6 | 54.55 | 363 |
| Total | 3 of 3 | 99.99 | 11 of 11 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 3 | Number of singletons (o1) ᵖ | 1 |
| Number of reverse dies (r) | 3 | Number of coins (n) | 11 |
| Coins per obverse die (n/o) | 3.67 | Coins per reverse die (n/r) | 3.67 |
| Reverse per obverse ratio (r/o) | 1 | Percentage of singletons (o1) ᵖ | 33.33 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 3.58 | Coins struck if 20,000 as average productivity per die ᵖ | 71,600 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 4.13 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00015 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 90.91% | Die productivity if survival rate 1/2,000 ᵖ | 6,145.25 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 82 kg <br /> 82 kg | Die productivity if survival rate 1/5,000 ᵖ | 15,363.13 |
Remarks
Most likely one single workstation
References
- ^ Noe, Sydney P. - Jonhston, Ann (1984), The coinage of Metapontum. Parts 1 and 2 with additions and corrections by Ann Johnston, Numismatic Notes and Monographs 32 and 47, New York, ix, 120 p., 44 pl.
- ^ 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.
- ^ Rutter N. Keith et alii (eds.) (2001), Historia Numorum Italy, London, xvi, 223 p., 43 pl.
- ^ Hoover, Oliver D. (2018), The Handbook of Greek Coinage Series, Volume 1. Handbook of Coins of Italy and Magna Graecia, Sixth to First Centuries BC., Lancaster-London, 2018, lxi, 527 pages, 23 cm