Teos, silver, hemidrachms (griffin/quadripartite incuse square) (540-478 BCE)
From SILVER
540 BCE - 478 BCE Silver 620 kg
Description
| Obverse: | Griffin seated with curled wing |
| 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 | 2.90 | 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.]]1Balcer 1968, p. 32-33, n° 51-6 (Group 21) | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2Sear II, n° 3510, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3RQEMAC, n° 225a | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 4 | 66.67 | 4 | 36.36 | 51, 54, 55, 56 |
| 2 | 1 | 16.67 | 2 | 18.18 | 53 |
| 5 | 1 | 16.67 | 5 | 45.45 | 52 |
| Total | 6 of 6 | 100.01 | 11 of 11 | 99.99 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 6 | Number of singletons (o1) ᵖ | 4 |
| Number of reverse dies (r) | 6 | Number of coins (n) | 11 |
| Coins per obverse die (n/o) | 1.83 | Coins per reverse die (n/r) | 1.83 |
| Reverse per obverse ratio (r/o) | 1 | Percentage of singletons (o1) ᵖ | 66.67 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 10.69 | Coins struck if 20,000 as average productivity per die ᵖ | 213,800 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 13.2 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00005 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 63.64% | Die productivity if survival rate 1/2,000 ᵖ | 2,058 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 620 kg <br /> 620 kg | Die productivity if survival rate 1/5,000 ᵖ | 5,145 |
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.
- ^ Sear, David R. (1979), Greek coins and their values. Vol. II, Asia and North Africa, London, xlviii, p. 317-762
- ^ Callataÿ, François de (2003), Recueil quantitatif des émissions monétaires archaïques et classiques, Numismatique Romaine, Wetteren, VII + 267 p.