Rhodes, silver, didrachms (facing Helios/rose) (255-250 BCE)
From SILVER
255 BCE - 250 BCE Silver 6,115 kg
Description
| Obverse: | Radiate head of Helios three-quarter face to right, hair loose in locks |
| Reverse: | ΡΟΔΙΟΝ (Greek).Rose with bud to right, harpa over EY, border of dots |
Mint and issuing power
| Mint: | Rhodes | Ancient region: | Caria (islands) | Modern country: Greece | Authority: | Rhodian power |
Chronology
| From | 255 BCE | to | 250 BCE | Period: Hellenistic 323-30 BC |
Physical description
| Metal: | Silver |
Median weight in grams | 6.50 | Denomination: | didrachm |
Standard: | Rhodian |
Image

References
| Die study reference: | "[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Ashton 1989, "[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2Ashton 2001, p. 106, n° 204-205 | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3Sear II, n° 5048-5049, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]4HGC 6, n° 1438 | ||
| Coin series web reference: | |||
Obverse dies distribution
no distribution is available
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 39 | Number of singletons (o1) ᵖ | |
| Number of reverse dies (r) | Number of coins (n) | 137 | |
| Coins per obverse die (n/o) | 3.51 | Coins per reverse die (n/r) | |
| Reverse per obverse ratio (r/o) | Percentage of singletons (o1) ᵖ | % | |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 47.04 | Coins struck if 20,000 as average productivity per die ᵖ | 940,800 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 54.52 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00015 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | % | Die productivity if survival rate 1/2,000 ᵖ | 5,824.83 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 6,115 kg <br /> 6,115 kg | Die productivity if survival rate 1/5,000 ᵖ | 14,562.07 |
Remarks
References
- ^ Ashton, Richard (1989), "A series of Rhodian didrachms from the mid-third century B.C.," The Numismatic Chronicle, 149, p. 1-13.
- ^ Ashton, Richard (2001), "The coinage of Rhodes 408-c.190 BC", in Andrew Meadows and Kirsty Shipton (eds.), Money and its uses in the ancient world, Oxford, Oxford University Press, p. 79-115.
- ^ 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, Ionian, Thracian, Aegean, and Carpathian seas (excluding Crete and Cyprus), sixth to first centuries BC, Lancaster, 358 p.