Erythrae, silver, tetradrachms (Heracles/club and bow in bowcase) (360-342 BCE)
From SILVER
360 BCE - 342 BCE Silver 2,550 kg
Description
| ObverseInscription or printing placed on the obverse.: | Head of Heracles right, wearing Nemean lion skin headdress. |
| ReverseInscription or printing placed on the reverse.: | EPY (Greek).Club and bow in bowcase, to left, owl standing right, head facing, name (here ΠEΛOΠIΔHΣ) between, monogram to lower right |
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. | 360 BCE | toIdentifies the final date in a range assigned in a numismatic context.. | 342 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 | 15.00 | DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: | tetradrachm
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StandardStandard.: | Rhodian |
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. 424-425 (Period II, phase 2, AR IA) | ||
| Coin series referenceReference to coin series study: | |||
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 | 2 |
| Number of reverse diesNumber of reverse dies. (r) | 18 | Number of coinsNumber of coins. (n) | 24 |
| Coins per obverse dieNumber of coins per obverse die. (n/o) | 3.43 | Coins per reverse dieNumber of coins per reverse die. (n/r) | 1.33 |
| Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) | 2.57 | Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ | 28.57 % |
| Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ | 8.5 | Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ | 170,000 |
| 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) | 9.88 | Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ | 0.00014 |
| Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O) | 91.67% | Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ | 5,647.06 |
| 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 | 2,550 kg <br /> 2,550 kg | Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ | 14,117.65 |
Remarks
Most likely two workstations No obv. n° 5
References
- ^ Kinns, Philip (1980), Studies in the coinage of Ionia: Erythrae, Teos, Lebedus, Colophon, c. 400-30 B.C., unpublished PhD thesis, Cambridge University.
