Erythrae, silver, drachms (Heracles/club and bow in bowcase) (325-315 BCE)
From SILVER
325 BCE - 315 BCE Silver 816 kg
Description
| Obverse: | Head of Heracles right, wearing Nemean lion skin headdress. |
| Reverse: | EPY (Greek).Club and bow case, above owl, magistrate's name (here: ΧΑΡΜΗΣ) |
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 | 3.70 | Denomination: | drachma
|
Standard: | Rhodian |
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. 432-435 (Period III, AR IB). | ||
| Coin series reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 2 | 18.18 | 2 | 1.54 | 16, 17 |
| 2 | 1 | 9.09 | 2 | 1.54 | 12 |
| 3 | 1 | 9.09 | 3 | 2.31 | 11 |
| 6 | 1 | 9.09 | 6 | 4.62 | 19 |
| 7 | 1 | 9.09 | 7 | 5.38 | 18 |
| 16 | 1 | 9.09 | 16 | 12.31 | 13 |
| 24 | 1 | 9.09 | 24 | 18.46 | 15 |
| 28 | 1 | 9.09 | 28 | 21.54 | 21 |
| 33 | 1 | 9.09 | 33 | 25.38 | 20 |
| 9 | 1 | 9.09 | 9 | 6.92 | 14 |
| Total | 11 of 11 | 99.99 | 130 of 130 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 11 | Number of singletons (o1) ᵖ | 2 |
| Number of reverse dies (r) | 50 | Number of coins (n) | 130 |
| Coins per obverse die (n/o) | 11.82 | Coins per reverse die (n/r) | 2.6 |
| Reverse per obverse ratio (r/o) | 4.55 | Percentage of singletons (o1) ᵖ | 18.18 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 11.03 | Coins struck if 20,000 as average productivity per die ᵖ | 220,600 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 12.02 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00059 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 98.46% | Die productivity if survival rate 1/2,000 ᵖ | 23,572.08 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 816 kg <br /> 816 kg | Die productivity if survival rate 1/5,000 ᵖ | 58,930.19 |
Remarks
Most likely two workstations
References
- ^ Kinns, Philip (1980), Studies in the coinage of Ionia: Erythrae, Teos, Lebedus, Colophon, c. 400-30 B.C., unpublished PhD thesis, Cambridge University.
