Erythrae, silver, hemidrachms (Heracles/monogram within oak wreath) (190-180 BCE)
From SILVER
190 BCE - 180 BCE Silver 42 kg
Description
| Obverse: | Head of Heracles right, wearing Nemean lion skin headdress. Border of dots. |
| Reverse: | (Greek).Legend in an oak wreath |
Mint and issuing power
| Mint: | Erythrae | Ancient region: | Ionia | Modern country: Turkey | Authority: |
Chronology
| From | 190 BCE | to | 180 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 2.00 | Denomination: | hemidrachm
|
Standard: | Attic |
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.]]1Kinns 1980, p. 467 (Period V, AR VIII, D1-R1/R5). | ||
| Coin series reference: | |||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 7 | 1 | 100 | 7 | 100 | 1 |
| Total | 1 of 1 | 100 | 7 of 7 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 1 | Number of singletons (o1) ᵖ | 0 |
| Number of reverse dies (r) | 5 | Number of coins (n) | 7 |
| Coins per obverse die (n/o) | 7 | Coins per reverse die (n/r) | 1.4 |
| Reverse per obverse ratio (r/o) | 5 | Percentage of singletons (o1) ᵖ | 0 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 1.05 | Coins struck if 20,000 as average productivity per die ᵖ | 21,000 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 1.17 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00033 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 100% | Die productivity if survival rate 1/2,000 ᵖ | 13,333.33 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 42 kg <br /> 42 kg | Die productivity if survival rate 1/5,000 ᵖ | 33,333.33 |
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- ^ Kinns, Philip (1980), Studies in the coinage of Ionia: Erythrae, Teos, Lebedus, Colophon, c. 400-30 B.C., unpublished PhD thesis, Cambridge University.
