Megalopolis, silver, triobols (151-146 BCE)
From SILVER
151 BCE - 146 BCE Silver 5,811 kg
Description
| Obverse: | Laureate head of Zeus to left. |
| Reverse: | Pan seated left on rock, his right hand raised and holding lagobolon with his left, above knee, eagle to left, to left, A, to right, Δ. |
Mint and issuing power
| Mint: | Megalopolis | Ancient region: | Peloponnesus | Modern country: Greece | Authority: |
Chronology
| From | 151 BCE | to | 146 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 2.30 | 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.]]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° 2719, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3RQEMH, n° 177 | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 46 | 62.16 | 46 | 32.62 | 2, 6, 8, 9, 10, 11, 17, 19, 21, 22, 23, 24, 25, 27, 29, 30, 31, 32, 33, 34, 35, 36, 38, 41, 43, 46, 47, 48, 49, 50, 51, 52, 54, 55, 56, 58, 59, 60, 62, 63, 64, 65, 66, 68, 70, 71 |
| 2 | 9 | 12.16 | 18 | 12.77 | 4, 5, 7, 13, 20, 45, 67, 72, 74 |
| 3 | 8 | 10.81 | 24 | 17.02 | 3, 16, 18, 37, 39, 53, 57, 61 |
| 4 | 6 | 8.11 | 24 | 17.02 | 15, 26, 28, 44, 69, 73 |
| 5 | 3 | 4.05 | 15 | 10.64 | 1, 12, 42 |
| 6 | 1 | 1.35 | 6 | 4.26 | 14 |
| 8 | 1 | 1.35 | 8 | 5.67 | 40 |
| Total | 74 of 74 | 99.99 | 141 of 141 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 74 | Number of singletons (o1) ᵖ | 46 |
| Number of reverse dies (r) | 120 | Number of coins (n) | 141 |
| Coins per obverse die (n/o) | 1.91 | Coins per reverse die (n/r) | 1.18 |
| Reverse per obverse ratio (r/o) | 1.62 | Percentage of singletons (o1) ᵖ | 62.16 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 126.33 | Coins struck if 20,000 as average productivity per die ᵖ | 2,526,600 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 155.73 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00006 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 67.38% | Die productivity if survival rate 1/2,000 ᵖ | 2,232.25 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 5,811 kg <br /> 5,811 kg | Die productivity if survival rate 1/5,000 ᵖ | 5,580.62 |
Remarks
Most likely one single workstation Likely 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.
