Teos, silver, hemidrachms (running griffin/cantharus) (320-310 BCE)
From SILVER
320 BCE - 310 BCE Silver 453 kg
Description
| Obverse: | Griffin running right. |
| Reverse: | THI/ ΣΩKP-ATHΣ (Greek).Kantharos |
Mint and issuing power
| Mint: | Teos | Ancient region: | Ionia | Modern country: Turkey | Authority: |
Chronology
| From | 320 BCE | to | 310 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 1.55 | Denomination: | hemidrachm
|
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. 514 (Period II, AR V, D21/D29-R1/R13). | ||
| 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 | 44.44 | 4 | 22.22 | |
| 2 | 2 | 22.22 | 4 | 22.22 | |
| 3 | 3 | 33.33 | 9 | 50 | |
| Total | 9 of 9 | 99.99 | 17 of 18 | 94.44 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 9 | Number of singletons (o1) ᵖ | 4 |
| Number of reverse dies (r) | 13 | Number of coins (n) | 18 |
| Coins per obverse die (n/o) | 2 | Coins per reverse die (n/r) | 1.38 |
| Reverse per obverse ratio (r/o) | 1.44 | Percentage of singletons (o1) ᵖ | 44.44 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 14.61 | Coins struck if 20,000 as average productivity per die ᵖ | 292,200 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 18 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00006 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 77.78% | Die productivity if survival rate 1/2,000 ᵖ | 2,464.07 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 453 kg <br /> 453 kg | Die productivity if survival rate 1/5,000 ᵖ | 6,160.16 |
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- ^ Kinns, Philip (1980), Studies in the coinage of Ionia: Erythrae, Teos, Lebedus, Colophon, c. 400-30 B.C., unpublished PhD thesis, Cambridge University.
