Megalopolis (Achaean League), silver, triobols (Zeus/Achaean League monogram) (182-155 BCE)
From SILVER
182 BCE - 155 BCE Silver 266 kg
Description
| Obverse: | Laureate head of Zeus r. |
| Reverse: | Achaean League monogram (Greek).League monogram, A above, trident and monogram below, ? - ? to l. and r., all within laurel wreath. |
Mint and issuing power
| Mint: | Megalopolis | Ancient region: | Peloponnesus | Modern country: Greece | Authority: | Achaean League |
Chronology
| From | 182 BCE | to | 155 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 2.30 | Denomination: | hemidrachm
|
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.]]1Dengate 1967, p. 57-110, pl. 20-28. | ||
| 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° 2999-3000, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3RQEMH, n° 174, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]4HGC 5, n° 952-953 | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 5 | 1 | 16.67 | 5 | 3.07 | 6 |
| 15 | 1 | 16.67 | 15 | 9.2 | 5 |
| 16 | 1 | 16.67 | 16 | 9.82 | 1 |
| 37 | 1 | 16.67 | 37 | 22.7 | 2 |
| 38 | 1 | 16.67 | 38 | 23.31 | 4 |
| 52 | 1 | 16.67 | 52 | 31.9 | 3 |
| Total | 6 of 6 | 100.02 | 163 of 163 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 6 | Number of singletons (o1) ᵖ | |
| Number of reverse dies (r) | 57 | Number of coins (n) | 163 |
| Coins per obverse die (n/o) | 27.17 | Coins per reverse die (n/r) | 2.86 |
| Reverse per obverse ratio (r/o) | 9.5 | Percentage of singletons (o1) ᵖ | % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 5.78 | Coins struck if 20,000 as average productivity per die ᵖ | 115,600 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 6.23 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00141 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | % | Die productivity if survival rate 1/2,000 ᵖ | 56,401.38 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 266 kg <br /> 266 kg | Die productivity if survival rate 1/5,000 ᵖ | 141,003.46 |
Remarks
Most likely one single workstation Certainly military
References
- ^ Dengate J. A. (1967), "The Triobols of Megalopolis", American Numismatic Society Museum Notes 13, p. 57-110, pl. 20-28.
- ^ Sear, David R. (1978), Greek coins and their values. Vol. I, Europe, London, xl, 316 p.
- ^ Callataÿ, François de (1997), Recueil quantitatif des émissions monétaires hellénistiques, Numismatique Romaine, Wetteren, X + 341 p.
- ^ Hoover, Oliver D. (2011), Handbook of Greek Coins 5. Coins of the Peloponnesos, Achaia, Phleiasia, Sikyonia, Elis, Triphylia, Messenia, Lakonia, Argolis, and Arkadia, Sixth to First Centuries BC, Lancaster (PA), 2011.
