AC 127 - Dicaia, silver, didrachms (480-450 BCE)
From SILVER
480 BCE - 450 BCE Silver 1,770 kg
Description
| ObverseInscription or printing placed on the obverse.: | Bearded head of Herakles right, wearing lion skin |
| ReverseInscription or printing placed on the reverse.: | ΔIK(A) (Greek).Head of bull left within incuse square |
Mint and issuing power
| MintIdentifies the place of manufacture or issue of a numismatic object.: | Dicaia | Ancient regionAncient region.: | Thrace | Modern countryModern country: Greece | 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. | 480 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 | 7.20 | DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: | stater
|
StandardStandard.: |
Image
AC127 Dikaia didrachm.jpg [1]
References
| Die study referencePublication of the study: | Schönert-Geiss 19751Schönert-Geiss 1975, n° 21-27 | ||
| Coin series referenceReference to coin series study: | RQEMAC2RQEMAC, n° 127 | ||
Obverse dies distribution
Reverse dies distribution
no distribution is available
Quantification
| Number of obversesNumber of obverse dies. ᵖ (o) | 7 | Number of singletons (o1)The number of singleton coins. ᵖ | 5 |
| Number of reverse diesNumber of reverse dies. (r) | 5 | Number of coinsNumber of coins. (n) | 13 |
| Coins per obverse dieNumber of coins per obverse die. (n/o) | 1.86 | Coins per reverse dieNumber of coins per reverse die. (n/r) | 2.6 |
| Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) | 0.71 | Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ | 71.43 % |
| Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ | 12.29 | Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ | 245,800 |
| 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) | 15.17 | Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ | 0.00005 |
| Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O) | 61.54% | Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ | 2,115.54 |
| 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 | 1,770 kg <br /> 1,770 kg | Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ | 5,288.85 |
Remarks
