Colophon, silver, diobols (1g) (Apollo/cithara) (375-360 BCE)
From SILVER
375 BCE - 360 BCE Silver 86 kg
Description
| Obverse: | Head of Apollo left, wearing laurel wreath. |
| Reverse: | ΚΟΛΟΦΩ (Greek).Cithara. In field, magistrate's name. |
Mint and issuing power
| Mint: | Colophon | Ancient region: | Ionia | Modern country: Turkey | Authority: |
Chronology
| From | 375 BCE | to | 360 BCE | Period: Classical 480-323 BC |
Physical description
| Metal: | Silver |
Median weight in grams | 1.00 | 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. 564-565 (Period I, phase 2, 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 |
| 4 | 1 | 25 | 4 | 16 | 5 |
| 6 | 2 | 50 | 12 | 48 | 4, 6 |
| 9 | 1 | 25 | 9 | 36 | 3 |
| Total | 4 of 4 | 100 | 25 of 25 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 4 | Number of singletons (o1) ᵖ | 0 |
| Number of reverse dies (r) | 9 | Number of coins (n) | 25 |
| Coins per obverse die (n/o) | 6.25 | Coins per reverse die (n/r) | 2.78 |
| Reverse per obverse ratio (r/o) | 2.25 | Percentage of singletons (o1) ᵖ | 0 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 4.28 | Coins struck if 20,000 as average productivity per die ᵖ | 85,600 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 4.76 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00029 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 100% | Die productivity if survival rate 1/2,000 ᵖ | 11,682.24 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 86 kg <br /> 86 kg | Die productivity if survival rate 1/5,000 ᵖ | 29,205.61 |
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- ^ Kinns, Philip (1980), Studies in the coinage of Ionia: Erythrae, Teos, Lebedus, Colophon, c. 400-30 B.C., unpublished PhD thesis, Cambridge University.