Colophon, silver, diobols (0.9g) (Apollo/cithara) (330-294 BCE)
From SILVER
330 BCE - 294 BCE Silver 416 kg
Description
| Obverse: | Head of Apollo left, wearing laurel wreath. (Border of dots) |
| Reverse: | ΚΟΛΟ(ΦΩ) (Greek).Cithara. In field, magistrate's name. |
Mint and issuing power
| Mint: | Colophon | 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: |
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. 572 (Period II, AR IIA). | ||
| 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 | 4 | 80 | 4 | 66.67 | 7, 8, 9, 11 |
| 2 | 1 | 20 | 2 | 33.33 | 10 |
| Total | 5 of 5 | 100 | 6 of 6 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 5 | Number of singletons (o1) ᵖ | 4 |
| Number of reverse dies (r) | 6 | Number of coins (n) | 6 |
| Coins per obverse die (n/o) | 1.2 | Coins per reverse die (n/r) | 1 |
| Reverse per obverse ratio (r/o) | 1.2 | Percentage of singletons (o1) ᵖ | 80 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 23.09 | Coins struck if 20,000 as average productivity per die ᵖ | 461,800 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 30 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00001 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 33.33% | Die productivity if survival rate 1/2,000 ᵖ | 519.71 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 416 kg <br /> 416 kg | Die productivity if survival rate 1/5,000 ᵖ | 1,299.26 |
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- ^ Kinns, Philip (1980), Studies in the coinage of Ionia: Erythrae, Teos, Lebedus, Colophon, c. 400-30 B.C., unpublished PhD thesis, Cambridge University.
