Rhodes, silver, didrachms (facing Helios/rose) (316-305 BCE)
From SILVER
316 BCE - 305 BCE Silver 2,283 kg
Description
| ObverseInscription or printing placed on the obverse.: | Bare head of Helios facing slightly right |
| ReverseInscription or printing placed on the reverse.: | ΡΟΔΙΟΝ (Greek).Rose with grape bunch on tendril to left, bud to right, E to right |
Mint and issuing power
| MintIdentifies the place of manufacture or issue of a numismatic object.: | Rhodes | Ancient regionAncient region.: | Caria (islands) | 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. | 316 BCE | toIdentifies the final date in a range assigned in a numismatic context.. | 305 BCE | PeriodTime period of the numismatic object.: Classical and Hellenistic |
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 | 6.90 | DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: | didrachm
|
StandardStandard.: | Chian |
Image
S2091 Rhodes didrachms Ashton 108.jpg [1]
References
| Die study referencePublication of the study: | Ashton 20031Ashton 2003, n° 108 | ||
| Coin series referenceReference to coin series study: | Sear II2Sear II, n° 5037-5038, HGC 63HGC 6, n° 1434 | ||
| Coin series web referenceCoin series web references: | |||
Obverse dies distribution
no distribution is available
Reverse dies distribution
no distribution is available
Quantification
| Number of obversesNumber of obverse dies. ᵖ (o) | 14 | Number of singletons (o1)The number of singleton coins. ᵖ | |
| Number of reverse diesNumber of reverse dies. (r) | Number of coinsNumber of coins. (n) | 53 | |
| Coins per obverse dieNumber of coins per obverse die. (n/o) | 3.79 | Coins per reverse dieNumber of coins per reverse die. (n/r) | |
| Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) | Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ | % | |
| Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ | 16.54 | Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ | 330,800 |
| 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) | 19.03 | Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ | 0.00016 |
| Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O) | % | Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ | 6,408.71 |
| 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 | 2,283 kg <br /> 2,283 kg | Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ | 16,021.77 |
Remarks
References
- ^ Ashton, Richard (2003), "A Rhodes on Chios overstrike," in Richard Ashton & Philip Kinns, "Opuscula Anatolica II," Numismatic Chronicle 163, p. 30-31, pl. 5.
- ^ Sear, David R. (1979), Greek coins and their values. Vol. II, Asia and North Africa, London, xlviii, p. 317-762
- ^ 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.
