Eretria (Rhodian power), silver, drachms (175-165 BCE)
From SILVER
175 BCE - 165 BCE Silver 1,036 kg
Description
| ObverseInscription or printing placed on the obverse.: | Head of Helios facing slightly left |
| ReverseInscription or printing placed on the reverse.: | Rose with bud to right |
Mint and issuing power
| MintIdentifies the place of manufacture or issue of a numismatic object.: | Eretria | Ancient regionAncient region.: | Euboea | 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: | Rhodian power |
Chronology
| FromIdentifies the initial date in a range assigned in a numismatic context. | 175 BCE | toIdentifies the final date in a range assigned in a numismatic context.. | 165 BCE | PeriodTime period of the numismatic object.: Hellenistic 323-30 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 | 2.60 | DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: | drachma
|
StandardStandard.: | Rhodian |
Image
H156 Eretria rhodian drachms.jpg [1]
References
| Die study referencePublication of the study: | Ashton 19891Ashton 1989 | ||
| Coin series referenceReference to coin series study: | RQEMH2RQEMH, n° 156, HGC 63HGC 6, n° 1515 | ||
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 | 21.43 | 3, 4, 6, 8, 9, 13 |
| 2 | 4 | 30.77 | 8 | 28.57 | 2, 5, 11, 12 |
| 3 | 1 | 7.69 | 3 | 10.71 | 10 |
| 4 | 1 | 7.69 | 4 | 14.29 | 7 |
| 7 | 1 | 7.69 | 7 | 25 | 1 |
| Total | 13 of 13 | 99.99 | 28 of 28 | 100 |
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) | 22 | Number of coinsNumber of coins. (n) | 28 |
| Coins per obverse dieNumber of coins per obverse die. (n/o) | 2.15 | Coins per reverse dieNumber of coins per reverse die. (n/r) | 1.27 |
| Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) | 1.69 | 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 | 19.93 | Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ | 398,600 |
| 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) | 24.27 | Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ | 0.00007 |
| Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O) | 78.57% | Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ | 2,809.83 |
| 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 | 1,036 kg <br /> 1,036 kg | Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ | 7,024.59 |
Remarks
Most likely one single workstation
References
- ^ Ashton, Richard (1989), "A series of Rhodian didrachms from the mid-third century B.C.," The Numismatic Chronicle, 149, p. 1-13.
- ^ Callataÿ, François de (1997), Recueil quantitatif des émissions monétaires hellénistiques, Numismatique Romaine, Wetteren, X + 341 p.
- ^ Hoover, Oliver D. (2010), The Handbook of Greek Coinage Series, volume 6 : handbook of coins of the islands: Adriatic, Iionian, Thracian, Aegean, and Carpathian seas (excluding Crete and Cyprus), sixth to first centuries BC, Lancaster, 358 p.
