Teos, silver, obols (griffin/quadripartite incuse square) (540-478 BCE)
From SILVER
540 BCE - 478 BCE Silver 209 kg
Description
| Obverse: | Griffin with curled wing seated |
| Reverse: | Incuse square |
Mint and issuing power
| Mint: | Teos | Ancient region: | Ionia | Modern country: Turkey | Authority: |
Chronology
| From | 540 BCE | to | 478 BCE | Period: Archaic until 480 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 1.10 | Denomination: | obol
|
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.]]1Balcer 1968, p. 34, n° 64-6 (Groups XXVI-XXVIII) | ||
| Coin series reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 2 | 66.67 | 2 | 50 | 65, 66 |
| 2 | 1 | 33.33 | 2 | 50 | 64 |
| Total | 3 of 3 | 100 | 4 of 4 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 3 | Number of singletons (o1) ᵖ | 2 |
| Number of reverse dies (r) | 3 | Number of coins (n) | 4 |
| Coins per obverse die (n/o) | 1.33 | Coins per reverse die (n/r) | 1.33 |
| Reverse per obverse ratio (r/o) | 1 | Percentage of singletons (o1) ᵖ | 66.67 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 9.49 | Coins struck if 20,000 as average productivity per die ᵖ | 189,800 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 12 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00002 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 50% | Die productivity if survival rate 1/2,000 ᵖ | 842.99 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 209 kg <br /> 209 kg | Die productivity if survival rate 1/5,000 ᵖ | 2,107.48 |
Remarks
Most likely one single workstation
References
- ^ Balcer, Jack M. (1968), "The early silver coinage of Teos", Revue Suisse de Numismatique 47, p. 5-50.
