Teos, silver, tetartemoria (griffin's head/quadripartite incuse square) (478-449 BCE)
From SILVER
478 BCE - 449 BCE Silver 62 kg
Description
| Obverse: | Griffin's head on the right. |
| Reverse: | Quadratum incusum divided into four by a cross of lines |
Mint and issuing power
| Mint: | Teos | Ancient region: | Ionia | Modern country: Turkey | Authority: |
Chronology
| From | 478 BCE | to | 449 BCE | Period: Classical 480-323 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 0.25 | Denomination: | tetartemorion
|
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. 46-48, n° 123-31 (Group LXXIV) | ||
| Coin series reference: | |||
| Coin series web reference: | |||
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) | 23 | Number of coins (n) | 23 |
| Coins per obverse die (n/o) | 2.56 | Coins per reverse die (n/r) | 1 |
| Reverse per obverse ratio (r/o) | 2.56 | Percentage of singletons (o1) ᵖ | 44.44 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 12.39 | Coins struck if 20,000 as average productivity per die ᵖ | 247,800 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 14.79 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00009 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 82.61% | Die productivity if survival rate 1/2,000 ᵖ | 3,712.67 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 62 kg <br /> 62 kg | Die productivity if survival rate 1/5,000 ᵖ | 9,281.68 |
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.
