Metapontum, silver, obols (400-350 BCE)
From SILVER
400 BCE - 350 BCE Silver 321 kg
Description
| Obverse: | Five-grained ear with faint linear border |
| Reverse: | Small head of man-headed bull (Achelous) in profile to r., with small annulet in front and behind |
Mint and issuing power
| Mint: | Metapontum | Ancient region: | Lucania | Modern country: Italy | Authority: |
Chronology
| From | 400 BCE | to | 350 BCE | Period: Classical 480-323 BC |
Physical description
| Metal: | Silver |
Median weight in grams | 0.75 | Denomination: | obol |
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° 347-359. | ||
| 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° 400-401, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3RQEMAC, n° 6c, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]4HN Italy, n° 1492 | ||
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 12 | Number of singletons (o1) ᵖ | 7 |
| Number of reverse dies (r) | 10 | Number of coins (n) | 22 |
| Coins per obverse die (n/o) | 1.83 | Coins per reverse die (n/r) | 2.2 |
| Reverse per obverse ratio (r/o) | 0.83 | Percentage of singletons (o1) ᵖ | 58.33 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 21.39 | Coins struck if 20,000 as average productivity per die ᵖ | 427,800 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 26.4 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00005 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 68.18% | Die productivity if survival rate 1/2,000 ᵖ | 2,057.04 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 321 kg <br /> 321 kg | Die productivity if survival rate 1/5,000 ᵖ | 5,142.59 |
Remarks
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.