AC 93a - Syracuse, silver, didrachm, 474-450 BC
From SILVER
474 BCE - 450 BCE Silver 952 kg
Description
| ObverseInscription or printing placed on the obverse.: | |
| ReverseInscription or printing placed on the reverse.: | ΣYPAKOΣION (Greek). |
Mint and issuing power
| MintIdentifies the place of manufacture or issue of a numismatic object.: | Syracuse | 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. | 474 BCE | toIdentifies the final date in a range assigned in a numismatic context.. | 450 BCE | PeriodTime period of the numismatic object.: Classical 480-323 BC 
|
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 | 8.55 | DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: | didrachm
|
StandardStandard.: |
References
| Die study referencePublication of the study: | Boehringer 19291Boehringer 1929, p. 204, n° 497, p. 213, n° 548, p. 222, n° 591 et p. 226, n° 606. | ||
| Coin series referenceReference to coin series study: | RQEMAC2RQEMAC, n° 93a | ||
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 | 2 | 50 | 2 | 20 | |
| 2 | 1 | 25 | 2 | 20 | |
| 6 | 1 | 25 | 6 | 60 | |
| Total | 4 of 4 | 100 | 10 of 10 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obversesNumber of obverse dies. ᵖ (o) | 4 | Number of singletons (o1)The number of singleton coins. ᵖ | 2 |
| Number of reverse diesNumber of reverse dies. (r) | 4 | Number of coinsNumber of coins. (n) | 10 |
| Coins per obverse dieNumber of coins per obverse die. (n/o) | 2.5 | Coins per reverse dieNumber of coins per reverse die. (n/r) | 2.5 |
| 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 | 50 % |
| Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ | 5.57 | Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ | 111,400 |
| 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) | 6.67 | Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ | 0.00009 |
| Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O) | 80% | Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ | 3,590.66 |
| 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 | 952 kg <br /> 952 kg | Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ | 8,976.66 |
Remarks
