Sicily (uncertain Roman mint), bronze, pentonkia (Roma/eagle) (245-240 BCE)
From SILVER
245 BCE - 240 BCE Bronze
Description
| Obverse: | ROMANO (Latin).Head of Roma to left, wearing crested Corinthian helmet, uncertain symbol behind neck |
| Reverse: | ROMA-NO (Latin).Eagle standing left on thunderbolt, head right and wings open, in left field, short sword |
Mint and issuing power
| Mint: | Sicily (uncertain Roman mint) | Ancient region: | Sicily | Modern country: Italy | Authority: | Roman Republic |
Chronology
| From | 245 BCE | to | 240 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Bronze
|
Median weight in grams | 16.00 | Denomination: | pentonkion | 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.]]1Burnett - McCabe 2016 | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2RRC, n° 23/1, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3HN Sicily, n° 296 | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 3 | 2 | 33.33 | 6 | 15.38 | 3, 4 |
| 4 | 1 | 16.67 | 4 | 10.26 | 1 |
| 5 | 1 | 16.67 | 5 | 12.82 | 6 |
| 8 | 1 | 16.67 | 8 | 20.51 | 5 |
| 16 | 1 | 16.67 | 16 | 41.03 | 2 |
| Total | 6 of 6 | 100.01 | 39 of 39 | 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) | 8 | Number of coins (n) | 39 |
| Coins per obverse die (n/o) | 6.5 | Coins per reverse die (n/r) | 4.88 |
| Reverse per obverse ratio (r/o) | 1.33 | Percentage of singletons (o1) ᵖ | % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 6.39 | Coins struck if 20,000 as average productivity per die ᵖ | 127,800 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 7.09 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00031 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | % | Die productivity if survival rate 1/2,000 ᵖ | 12,206.57 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | n.a. | Die productivity if survival rate 1/5,000 ᵖ | 30,516.43 |
Remarks
Most likely one single workstation
References
- ^ Burnett, Andrew M. - McCabe, Andrew (2016), "An early Roman struck bronze with a helmeted goddess and an eagle," in Lavinia Sole - Sebastiano Tusa (eds.), Nomismata. Studi di numismatica offerti ad Aldina Cutroni Tusa per il suo novantatreesimo compleanno, Ragusa, p. 238-274, 4 pl.
- ^ Crawford, Michael H. (1974), Roman Republican Coinage, Cambridge
- ^ HN Sicily
