AC 63 - Messana, silver, tetradrachms (494-489 BCE)
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Revision as of 22:28, 20 October 2022
494 - 489 Silver 8,294 kg
Description
ObverseInscription or printing placed on the obverse.: | |
ReverseInscription or printing placed on the reverse.: |
Mint and issuing power
MintIdentifies the place of manufacture or issue of a numismatic object.: | Zancle | 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. | 494 | toIdentifies the final date in a range assigned in a numismatic context.. | 489 | PeriodTime period of the numismatic object.: Archaic until 480 BC |
Physical description
MetalThe physical material (usually metal) from which an object is made.: | Silver | DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: | tetradrachm | StandardStandard.: | |
Mode weightMode of the weights of numismatic objects (in grams).: | 17,2-9<ul><li>No units of measurement were declared for this property.</li> <!--br--><li>",2-9" is not declared as a valid unit of measurement for this property.</li></ul> |
References
Die study referencePublication of the study: | J. P. Barron1 | ||
Coin series referenceReference to coin series study: |
Reverse dies distribution
no distribution is available
Quantification
Number of obversesNumber of obverse dies. ᵖ (o) | 10 | Number of singletons (o1)The number of singleton coins. ᵖ | 6 |
Number of reverse diesNumber of reverse dies. (r) | 12 | Number of coinsNumber of coins. (n) | 15 |
Coins per obverse dieNumber of coins per obverse die. (n/o) | 1.5 | Coins per reverse dieNumber of coins per reverse die. (n/r) | 1.25 |
Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) | 1.2 | Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ | 60 % |
Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ | 24.04 | Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ | 480,800 |
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) | 30 | Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ | 0.00003 |
Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O) | 60% | Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ | 1,247.92 |
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 | 0 kg <br /> 8,294 kg | Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ | 3,119.8 |
Remarks
References
- ^ J. P. Barron