Lebedus, silver, diobols (Athena/prow) (330-294 BCE)
From SILVER
330 BCE - 294 BCE Silver 117 kg
Description
| Obverse: | Head of Athena left or right, wearing Corinthian helmet. |
| Reverse: | ΛΕ (Greek).Owl standing to left on prow, name below |
Mint and issuing power
| Mint: | Lebedus | Ancient region: | Ionia | Modern country: Turkey | Authority: |
Chronology
| From | 330 BCE | to | 294 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 0.90 | Denomination: | diobol
|
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. 544 (Period I, AR II, D1/D4-R1/R4). | ||
| 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 | 1 | 25 | 1 | 12.5 | 3 |
| 2 | 2 | 50 | 4 | 50 | 1, 4 |
| 3 | 1 | 25 | 3 | 37.5 | 2 |
| Total | 4 of 4 | 100 | 8 of 8 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 4 | Number of singletons (o1) ᵖ | 1 |
| Number of reverse dies (r) | 3 | Number of coins (n) | 8 |
| Coins per obverse die (n/o) | 2 | Coins per reverse die (n/r) | 2.67 |
| Reverse per obverse ratio (r/o) | 0.75 | Percentage of singletons (o1) ᵖ | 25 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 6.49 | Coins struck if 20,000 as average productivity per die ᵖ | 129,800 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 8 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00006 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 87.5% | Die productivity if survival rate 1/2,000 ᵖ | 2,465.33 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 117 kg <br /> 117 kg | Die productivity if survival rate 1/5,000 ᵖ | 6,163.33 |
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- ^ Kinns, Philip (1980), Studies in the coinage of Ionia: Erythrae, Teos, Lebedus, Colophon, c. 400-30 B.C., unpublished PhD thesis, Cambridge University.
