Teos, silver, drachms (griffin/names across the quadripartite incuse square) (385-365 BCE)
From SILVER
385 BCE - 365 BCE Silver 408 kg
Description
| Obverse: | Griffin seated right, left forepaw raised. |
| Reverse: | ΑΓNΩN and THIΩN on crossbars (Greek).Quadripartite incuse square with stippled quarters |
Mint and issuing power
| Mint: | Teos | Ancient region: | Ionia | Modern country: Turkey | Authority: |
Chronology
| From | 385 BCE | to | 365 BCE | Period: Classical 480-323 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 3.70 | Denomination: | drachma
|
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. 503 (Period I, AR II, D1/D5-R1/R9) | ||
| 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 |
| 2 | 2 | 40 | 4 | 15.38 | 1, 5 |
| 3 | 1 | 20 | 3 | 11.54 | 4 |
| 8 | 1 | 20 | 8 | 30.77 | 3 |
| 11 | 1 | 20 | 11 | 42.31 | 2 |
| Total | 5 of 5 | 100 | 26 of 26 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 5 | Number of singletons (o1) ᵖ | 0 |
| Number of reverse dies (r) | 9 | Number of coins (n) | 26 |
| Coins per obverse die (n/o) | 5.2 | Coins per reverse die (n/r) | 2.89 |
| Reverse per obverse ratio (r/o) | 1.8 | Percentage of singletons (o1) ᵖ | 0 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 5.51 | Coins struck if 20,000 as average productivity per die ᵖ | 110,200 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 6.19 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00024 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 100% | Die productivity if survival rate 1/2,000 ᵖ | 9,437.39 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 408 kg <br /> 408 kg | Die productivity if survival rate 1/5,000 ᵖ | 23,593.47 |
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- ^ Kinns, Philip (1980), Studies in the coinage of Ionia: Erythrae, Teos, Lebedus, Colophon, c. 400-30 B.C., unpublished PhD thesis, Cambridge University.
