Locri Epyzephyrii (Pyrrhus), silver, tetradrachms (280-277 BCE)
From SILVER
280 BCE - 277 BCE Silver 1,702 kg
Description
| Obverse: | Head of Zeus of Dodona left, wreathed with oak, Θ and ΣΕ monogram under neck truncation |
| Reverse: | BAΣΙΛΕΩΣ ΠΥΡΡΟΥ (Greek).Dione seated left on high-backed throne, holding transverse lotus scepter in right hand and lifting diaphanous drapery with her left, A in exergue |
Mint and issuing power
| Mint: | Locri Epizephyrii | Ancient region: | Bruttium | Modern country: Italy | Authority: | Pyrrhus (general, Aeacid king of Molossians, Macedonia and Epirus, 306-272 BC) |
Chronology
| From | 280 BCE | to | 277 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 16.85 | 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.]]1Callataÿ 2000, "[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2Tsoukanelis 2010 | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3Sear I, n° 1988, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]4HGC 3.1, n° 261 | ||
| 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 | 1.85 | 4 |
| 5 | 1 | 20 | 5 | 9.26 | 1 |
| 7 | 1 | 20 | 7 | 12.96 | 5 |
| 13 | 1 | 20 | 13 | 24.07 | 3 |
| 28 | 1 | 20 | 28 | 51.85 | 2 |
| Total | 5 of 5 | 100 | 54 of 54 | 99.99 |
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) | 13 | Number of coins (n) | 54 |
| Coins per obverse die (n/o) | 10.8 | Coins per reverse die (n/r) | 4.15 |
| Reverse per obverse ratio (r/o) | 2.6 | Percentage of singletons (o1) ᵖ | 20 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 5.05 | Coins struck if 20,000 as average productivity per die ᵖ | 101,000 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 5.51 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00053 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 98.15% | Die productivity if survival rate 1/2,000 ᵖ | 21,386.14 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 1,702 kg <br /> 1,702 kg | Die productivity if survival rate 1/5,000 ᵖ | 53,465.35 |
Remarks
Most likely one single workstation Likely military Callataÿ 2000: 33 coins (for 54 here), 5 obverse dies (for 5 here)
References
- ^ Callataÿ, François de (2000), "Un “octobole” de Pyrrhus surfrappé sur un statère de type corinthien. Réflexions sur les masses monnayées par Pyrrhus en or et en argent", Annali. Istituto Italiano di Numismatica, 47, p. 189-213, pl. XII-XV.
- ^ Tsoukanelis, Kimon (201), "The tetradrachms of Pyrrhus: a preliminary die study", The Celator, 24 (5), Mai 2010, p. 20-28.
- ^ Sear, David R. (1978), Greek coins and their values. Vol. I, Europe, London, xl, 316 p.
- ^ Hoover, Oliver D. (2016), Handbook of coins of Macedon and its neighbors. 3. Part I: Macedon, Illyria, and Epeiros, sixth to first centuries BC, Lancaster, 437 p.
