Lebedus, silver, hemidrachms (Athena/standing owl) (330-300 BCE)
From SILVER
330 BCE - 300 BCE Silver 214 kg
Description
| Obverse: | Head of Athena left, wearing Corinthian helmet. |
| Reverse: | ΛΕ (Greek).Owl standing right, head facing, prow to right. |
Mint and issuing power
| Mint: | Lebedus | Ancient region: | Ionia | Modern country: Turkey | Authority: |
Chronology
| From | 330 BCE | to | 300 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 1.40 | Denomination: | hemidrachm
|
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. 543-544 (Period I, AR IA, D1/D6-R1/R6). | ||
| 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 | 16.67 | 1 | 5.56 | 4 |
| 2 | 2 | 33.33 | 4 | 22.22 | 1, 5 |
| 3 | 2 | 33.33 | 6 | 33.33 | 2, 3 |
| 7 | 1 | 16.67 | 7 | 38.89 | 6 |
| Total | 6 of 6 | 100 | 18 of 18 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 6 | Number of singletons (o1) ᵖ | 1 |
| Number of reverse dies (r) | 6 | Number of coins (n) | 18 |
| Coins per obverse die (n/o) | 3 | Coins per reverse die (n/r) | 3 |
| Reverse per obverse ratio (r/o) | 1 | Percentage of singletons (o1) ᵖ | 16.67 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 7.64 | Coins struck if 20,000 as average productivity per die ᵖ | 152,800 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 9 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00012 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 94.44% | Die productivity if survival rate 1/2,000 ᵖ | 4,712.04 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 214 kg <br /> 214 kg | Die productivity if survival rate 1/5,000 ᵖ | 11,780.1 |
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- ^ Kinns, Philip (1980), Studies in the coinage of Ionia: Erythrae, Teos, Lebedus, Colophon, c. 400-30 B.C., unpublished PhD thesis, Cambridge University.
