Erythrae, silver, tetradrachms (Heracles/club & bow in quiver) (325-315 BCE)
From SILVER
325 BCE - 315 BCE Silver 273 kg
Description
| Obverse: | Head of Heracles right, wearing Nemean lion skin headdress. |
| Reverse: | ΕΡΥ (Greek).Club l., bow and quiver, full name of controler |
Mint and issuing power
| Mint: | Erythrae | Ancient region: | Ionia | Modern country: Turkey | Authority: | Alexander III the Great (Argead king, 336-323 BC) |
Chronology
| From | 325 BCE | to | 315 BCE | Period: Hellenistic 323-30 BC |
Physical description
| Metal: | Silver |
Median weight in grams | 14.20 | Denomination: | tetradrachm |
Standard: |
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. 431-432 (Period III, AR IA). | ||
| 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 |
| 35 | 1 | 100 | 35 | 100 | 11 |
| Total | 1 of 1 | 100 | 35 of 35 | 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) | 14 | Number of coins (n) | 35 |
| Coins per obverse die (n/o) | 35 | Coins per reverse die (n/r) | 2.5 |
| Reverse per obverse ratio (r/o) | 14 | Percentage of singletons (o1) ᵖ | 0 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 0.96 | Coins struck if 20,000 as average productivity per die ᵖ | 19,200 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 1.03 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00182 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 100% | Die productivity if survival rate 1/2,000 ᵖ | 72,916.67 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 273 kg <br /> 273 kg | Die productivity if survival rate 1/5,000 ᵖ | 182,291.67 |
Remarks
Most likely one single workstation The same obverse linked with 6 different names
References
- ^ Kinns, Philip (1980), Studies in the coinage of Ionia: Erythrae, Teos, Lebedus, Colophon, c. 400-30 B.C., unpublished PhD thesis, Cambridge University.