Metapontum, silver, didrachms (340-330 BCE)
From SILVER
340 BCE - 330 BCE Silver 8,964 kg
Description
| Obverse: | Various heads. Laureate head of Apollo, facing three-quarters l., behind the neck, KAΛ |
| Reverse: | META (Greek).ΦΙΛΟΞ Ear of barley with leaf on l., on which coiled snake |
Mint and issuing power
| Mint: | Metapontum | Ancient region: | Lucania | Modern country: Italy | Authority: |
Chronology
| From | 340 BCE | to | 330 BCE | Period: Classical 480-323 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 7.75 | Denomination: | stater , didrachm , nomos
|
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.]]1Johnston 1990, class A | ||
| 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° 415, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3RQEMAC, n° 7, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]4HN Italy, n° 1570-1576, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]5HGC 1, n° 1055-1057 | ||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 2 | 6 | 15 | 12 | 12.77 | 1.1, 1.3, 2.1, 7.13, 8.3, 8.5 |
| 3 | 11 | 27.5 | 33 | 35.11 | 1.10, 6.2, 6.9, 7.1, 7.4, 7.7, 7.10, 7.14, 8.7, 8.15, 8.19 |
| 4 | 2 | 5 | 8 | 8.51 | 1.6, 5.8 |
| 5 | 1 | 2.5 | 5 | 5.32 | 8.10 |
| 6 | 2 | 5 | 12 | 12.77 | 4.1, 5.2 |
| 7 | 1 | 2.5 | 7 | 7.45 | 8.22 |
| 1 | 17 | 42.5 | 17 | 18.09 | 1.5, 3.1, 5.1, 6.1, 6.5, 6.6, 6.10, 6.11, 6.12, 7.17, 8.1, 8.2, 8.18, 9.1, 9.2, 9.3, 9.4 |
| Total | 40 of 40 | 100 | 94 of 94 | 100.02 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 40 | Number of singletons (o1) ᵖ | 17 |
| Number of reverse dies (r) | Number of coins (n) | 94 | |
| Coins per obverse die (n/o) | 2.35 | Coins per reverse die (n/r) | |
| Reverse per obverse ratio (r/o) | Percentage of singletons (o1) ᵖ | 42.5 % | |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 57.83 | Coins struck if 20,000 as average productivity per die ᵖ | 1,156,600 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 69.63 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00008 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 81.91% | Die productivity if survival rate 1/2,000 ᵖ | 3,250.91 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 8,964 kg <br /> 8,964 kg | Die productivity if survival rate 1/5,000 ᵖ | 8,127.27 |
Remarks
References
- ^ Johnston, Ann (1990), The Coinage of Metapontum. Part 3, Numismatic Notes and Monographs, 164, New York.
- ^ 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
