Erythrae, silver, drachms (Heracles/club & bow in wreath) (310-305 BCE)
From SILVER
310 BCE - 305 BCE Silver 572 kg
Description
| Obverse: | Head of Heracles right, wearing Nemean lion skin headdress. |
| Reverse: | monogram of EPY above (Greek).Club and bow in case, ΗΡΟΔΩΡΟΣ ΔΙΟΝΥΣΙΟΥ between, all within wreath of vine-leaves |
Mint and issuing power
| Mint: | Erythrae | Ancient region: | Ionia | Modern country: Turkey | Authority: |
Chronology
| From | 310 BCE | to | 305 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 4.00 | Denomination: | drachma
|
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. 436 (Period III, AR III, D31/36-R1/11). | ||
| 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 |
| 1 | 2 | 33.33 | 2 | 9.09 | 32, 33 |
| 2 | 1 | 16.67 | 2 | 9.09 | 31 |
| 3 | 1 | 16.67 | 3 | 13.64 | 36 |
| 7 | 1 | 16.67 | 7 | 31.82 | 34 |
| 8 | 1 | 16.67 | 8 | 36.36 | 35 |
| Total | 6 of 6 | 100.01 | 22 of 22 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 6 | Number of singletons (o1) ᵖ | 2 |
| Number of reverse dies (r) | 11 | Number of coins (n) | 22 |
| Coins per obverse die (n/o) | 3.67 | Coins per reverse die (n/r) | 2 |
| Reverse per obverse ratio (r/o) | 1.83 | Percentage of singletons (o1) ᵖ | 33.33 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 7.15 | Coins struck if 20,000 as average productivity per die ᵖ | 143,000 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 8.25 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00015 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 90.91% | Die productivity if survival rate 1/2,000 ᵖ | 6,153.85 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 572 kg <br /> 572 kg | Die productivity if survival rate 1/5,000 ᵖ | 15,384.62 |
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- ^ Kinns, Philip (1980), Studies in the coinage of Ionia: Erythrae, Teos, Lebedus, Colophon, c. 400-30 B.C., unpublished PhD thesis, Cambridge University.
