Erythrae, silver, hemidrachms of Rhodian standard (Heracles/bow in bowcase) (297-294 BCE)
From SILVER
297 BCE - 294 BCE Silver 555 kg
Description
| ObverseInscription or printing placed on the obverse.: | Head of Heracles left, wearing Nemean lion skin headdress. |
| ReverseInscription or printing placed on the reverse.: | EPY (Greek).Club and bowcase, [[Reverse description::ΛAΠPEΠH[Σ] and monogram between]] |
Mint and issuing power
| MintIdentifies the place of manufacture or issue of a numismatic object.: | Erythrae | Ancient regionAncient region.: | Ionia | Modern countryModern country: Turkey | 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. | 297 BCE | toIdentifies the final date in a range assigned in a numismatic context.. | 294 BCE | PeriodTime period of the numismatic object.: Hellenistic 323-30 BC 
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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 | 1.20 | DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: | hemidrachm
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StandardStandard.: |
Image
References
| Die study referencePublication of the study: | "[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Kinns 1980, p. 438-440 (Period III, AR VI, D11/28-R1/16). | ||
| Coin series referenceReference to coin series study: | |||
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 | 5 | 27.78 | 5 | 9.43 | 12, 13, 14, 16, 22 |
| 2 | 6 | 33.33 | 12 | 22.64 | 15, 17, 19, 23, 25, 28 |
| 3 | 3 | 16.67 | 9 | 16.98 | 11, 20, 24 |
| 4 | 2 | 11.11 | 8 | 15.09 | 18, 26 |
| 8 | 1 | 5.56 | 8 | 15.09 | 21 |
| 11 | 1 | 5.56 | 11 | 20.75 | 27 |
| Total | 18 of 18 | 100.01 | 53 of 53 | 99.98 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obversesNumber of obverse dies. ᵖ (o) | 18 | Number of singletons (o1)The number of singleton coins. ᵖ | 5 |
| Number of reverse diesNumber of reverse dies. (r) | 16 | Number of coinsNumber of coins. (n) | 53 |
| Coins per obverse dieNumber of coins per obverse die. (n/o) | 2.94 | Coins per reverse dieNumber of coins per reverse die. (n/r) | 3.31 |
| Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) | 0.89 | Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ | 27.78 % |
| Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ | 23.11 | Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ | 462,200 |
| 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) | 27.26 | Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ | 0.00011 |
| Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O) | 90.57% | Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ | 4,586.76 |
| 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 | 555 kg <br /> 555 kg | Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ | 11,466.9 |
Remarks
Most likely one single workstation
References
- ^ Kinns, Philip (1980), Studies in the coinage of Ionia: Erythrae, Teos, Lebedus, Colophon, c. 400-30 B.C., unpublished PhD thesis, Cambridge University.
