Agrigentum, silver, hemidrachms (eagle on hare/crab and fish) (420-410 BCE)
From SILVER
420 BCE - 410 BCE Silver 878 kg
Description
| ObverseInscription or printing placed on the obverse.: | Eagle r., clutching hare in talons |
| ReverseInscription or printing placed on the reverse.: | Crab, below, fish r. |
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: |
Chronology
| FromIdentifies the initial date in a range assigned in a numismatic context. | 420 BCE | toIdentifies the final date in a range assigned in a numismatic context.. | 410 BCE | PeriodTime period of the numismatic object.: |
Physical description
| MetalThe physical material (usually metal) from which an object is made.: | Silver 
|
Median weightMedian of the weights of numismatic objects (in grams). in grams | 2.05 | DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: | hemidrachm
|
StandardStandard.: |
Image
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S 1499 - Agrigentum, silver, hemidrachms (420-410 BCE).jpg [1]
References
| Die study referencePublication of the study: | Westermark 20181Westermark 2018, p. 171-188 | ||
| Coin series referenceReference to coin series study: | Sear I2Sear I, n° 751, HGC 23HGC 2, n° 104 | ||
| 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 | 1 | 4.55 | 1 | 0.22 | 16 |
| 2 | 1 | 4.55 | 2 | 0.45 | 19 |
| 4 | 1 | 4.55 | 4 | 0.9 | 10 |
| 5 | 1 | 4.55 | 5 | 1.12 | 17 |
| 6 | 1 | 4.55 | 6 | 1.35 | 13 |
| 7 | 1 | 4.55 | 7 | 1.57 | 14 |
| 8 | 1 | 4.55 | 8 | 1.79 | 4 |
| 9 | 1 | 4.55 | 9 | 2.02 | 3 |
| 11 | 1 | 4.55 | 11 | 2.47 | 2 |
| 13 | 1 | 4.55 | 13 | 2.91 | 9 |
| 16 | 1 | 4.55 | 16 | 3.59 | 21 |
| 23 | 1 | 4.55 | 23 | 5.16 | 6 |
| 24 | 1 | 4.55 | 24 | 5.38 | 1 |
| 26 | 1 | 4.55 | 26 | 5.83 | 20 |
| 28 | 3 | 13.64 | 84 | 18.83 | 5;8;12 |
| 31 | 1 | 4.55 | 31 | 6.95 | 11 |
| 34 | 1 | 4.55 | 34 | 7.62 | 7 |
| 36 | 1 | 4.55 | 36 | 8.07 | 22 |
| 46 | 1 | 4.55 | 46 | 10.31 | 18 |
| 60 | 1 | 4.55 | 60 | 13.45 | 15 |
| Total | 22 of 22 | 100.09 | 446 of 446 | 99.99 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obversesNumber of obverse dies. ᵖ (o) | 22 | Number of singletons (o1)The number of singleton coins. ᵖ | 1 |
| Number of reverse diesNumber of reverse dies. (r) | 27 | Number of coinsNumber of coins. (n) | 446 |
| Coins per obverse dieNumber of coins per obverse die. (n/o) | 20.27 | Coins per reverse dieNumber of coins per reverse die. (n/r) | 16.52 |
| Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) | 1.23 | Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ | 4.55 % |
| Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ | 21.41 | Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ | 428,200 |
| 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) | 23.14 | Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ | 0.00104 |
| Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O) | 99.78% | Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ | 41,662.77 |
| 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 | 878 kg <br /> 878 kg | Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ | 104,156.94 |
Remarks
Most likely two workstations
References
- ^ Westermark, Ulla (2018), The coinage of Akragas c. 510-406 BC, 2 vol., Uppsala.
- ^ Sear, David R. (1978), Greek coins and their values. Vol. I, Europe, London, xl, 316 p.
- ^ Hoover, Oliver D. (2012), The Handbook of Greek Coinage Series. 2. Handbook of the Coins of Sicily (Including Lipara). Civic, Royal, Siculo-Punic, and Romano-Sicilian Issues. Sixth to First Centuries BC, Lancaster-London, 489 p.
