Agrigentum (Sissena), bronze, 8g (Augustus/SISENNA in a laurel wreath) (22-21 BCE)
From SILVER
22 BCE - 21 BCE Bronze
Description
| ObverseInscription or printing placed on the obverse.: | AVGVSTVS (Latin).AVGVSTVS, bare head right |
| ReverseInscription or printing placed on the reverse.: | [[Reverse legend::SISENNA PR COS within; STATIVS FLACCVS P COTTA BA IIV[IR] around]] (Latin).Laurel wreath |
Mint and issuing power
| MintIdentifies the place of manufacture or issue of a numismatic object.: | Agrigentum | Ancient regionAncient region.: | Sicily | Modern countryModern country: Italy | AuthorityIdentifies the issuing power. The authority can be "pretended" when the name or the portrait of X is on the coin but he/she was not the issuing power. It can also be "uncertain" when there is no mention of X on the coin but he/she was the issuing power according to the historical sources: | Roman Empire |
Chronology
| FromIdentifies the initial date in a range assigned in a numismatic context. | 22 BCE | toIdentifies the final date in a range assigned in a numismatic context.. | 21 BCE | PeriodTime period of the numismatic object.: Roman from 30 BC 
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Physical description
| MetalThe physical material (usually metal) from which an object is made.: | Bronze
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Median weightMedian of the weights of numismatic objects (in grams). in grams | 8.0 | DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: | StandardStandard.: |
Image
References
| Die study referencePublication of the study: | "[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Villemur 2024, p. 14-15 | ||
| Coin series referenceReference to coin series study: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2RPC I, n° 668 | ||
| Coin series web referenceCoin series web references: | |||
Obverse dies distribution
| FrequencyFrequency of specimen in distribution. ᵖ | Number of obversesNumber of obverse dies. ᵖ (o) | % (o) | Number of coinsNumber of coins. (n) | % (n) | Die nameName(s) of the die(s). |
| 1 | 6 | 46.15 | 6 | 9.23 | 2, 7, 9, 11, 12, 13 |
| 2 | 1 | 7.69 | 2 | 3.08 | 10 |
| 5 | 1 | 7.69 | 5 | 7.69 | 4 |
| 7 | 2 | 15.38 | 14 | 21.54 | 6, 8 |
| 10 | 1 | 7.69 | 10 | 15.38 | 1 |
| 11 | 1 | 7.69 | 11 | 16.92 | 5 |
| 17 | 1 | 7.69 | 17 | 26.15 | 3 |
| Total | 13 of 13 | 99.98 | 65 of 65 | 99.99 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obversesNumber of obverse dies. ᵖ (o) | 13 | Number of singletons (o1)The number of singleton coins. ᵖ | 6 |
| Number of reverse diesNumber of reverse dies. (r) | 13 | Number of coinsNumber of coins. (n) | 65 |
| Coins per obverse dieNumber of coins per obverse die. (n/o) | 5 | Coins per reverse dieNumber of coins per reverse die. (n/r) | 5 |
| Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) | 1 | Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ | 46.15 % |
| Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ | 14.44 | Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ | 288,800 |
| Original number of dies (O) (Esty 2011 formula)The estimation of the number of coins according to the singleton formula in Esty 2011 ᵖ (O) | 16.25 | Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ | 0.00023 |
| Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O) | 90.77% | Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ | 9,002.77 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula)Carter 1983 * Median weight * 20000 (*10 if gold or electrum) ᵖ | n.a. | Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ | 22,506.93 |
Remarks
Most likely one single workstation Long attributed to Tyndaris
References
- ^ Villemur, Patrick (2024), "Les émissions augustéennes frappées à Agrigente au nom des proconsuls de Sicile L. Mussidius et Sisenna," Bulletin du Cercle d'Etudes Numismatiques, 61 (2), p. 6-16.
- ^ Amandry, Michel - Burnett, Andrew - Ripolles, Pere Pau (1998), Roman provincial coinage. I. From the death of Caesar to the death of Vitellius (44 BC-AC 69), London-Paris, 2 vol., xvii + 812 p., 195 pl.
