Erythrae, silver, trihemiobols (Athena/monogram) (190-180 BCE)
From SILVER
190 BCE - 180 BCE Silver 19 kg
Description
| Obverse: | Head of Athena right, wearing crested Corinthian helmet. Border of dots. |
| Reverse: | (Greek).Monogram |
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 | 0.90 | Denomination: | trihemiobol
|
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. 468 (Period V, AR X, D11-R1/R3). | ||
| 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 |
| 6 | 1 | 100 | 6 | 100 | 11 |
| Total | 1 of 1 | 100 | 6 of 6 | 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) | 3 | Number of coins (n) | 6 |
| Coins per obverse die (n/o) | 6 | Coins per reverse die (n/r) | 2 |
| Reverse per obverse ratio (r/o) | 3 | Percentage of singletons (o1) ᵖ | 0 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 1.08 | Coins struck if 20,000 as average productivity per die ᵖ | 21,600 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 1.2 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00028 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 100% | Die productivity if survival rate 1/2,000 ᵖ | 11,111.11 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 19 kg <br /> 19 kg | Die productivity if survival rate 1/5,000 ᵖ | 27,777.78 |
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- ^ Kinns, Philip (1980), Studies in the coinage of Ionia: Erythrae, Teos, Lebedus, Colophon, c. 400-30 B.C., unpublished PhD thesis, Cambridge University.
