S 1918 - Phocis (various mints) (Phocian League), silver, triobols (510-460)
From SILVER
510 BCE - 460 BCE Silver 1,333 kg
Description
| Obverse: | ΦOKI (Greek).Profile head and neck of bull to r. with beaded truncation at the shoulder. Below, seal r. |
| Reverse: | ΦOKI (the K reversed) in the four corners starting from bottom l., anticlockwise (Greek).Small head of Artemis r., in incuse square |
Mint and issuing power
| Mint: | Phocis (various mints) | Ancient region: | Phocis | Modern country: Greece | Authority: | Phocian League |
Chronology
| From | 510 BCE | to | 460 BCE | Period: Archaic until 480 BC |
Physical description
| Metal: | Silver |
Median weight in grams | 3.00 | 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.]]1Williams 1972, p. 71-96 (Periods I-II) | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2Sear I, n° 2346-2347 | ||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 7 | 36.84 | 7 | 9.33 | 1, 2, 3, 5, 13, 14, 15 |
| 2 | 2 | 10.53 | 4 | 5.33 | 16, 48 |
| 3 | 1 | 5.26 | 3 | 4 | 20 |
| 4 | 2 | 10.53 | 8 | 10.67 | 19, 55 |
| 5 | 2 | 10.53 | 10 | 13.33 | 4, 49 |
| 6 | 1 | 5.26 | 6 | 8 | 18 |
| 7 | 1 | 5.26 | 7 | 9.33 | 12 |
| 8 | 2 | 10.53 | 16 | 21.33 | 11, 47 |
| 14 | 1 | 5.26 | 14 | 18.67 | 17 |
| Total | 19 of 19 | 100 | 75 of 75 | 99.99 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 19 | Number of singletons (o1) ᵖ | 7 |
| Number of reverse dies (r) | Number of coins (n) | 75 | |
| Coins per obverse die (n/o) | 3.95 | Coins per reverse die (n/r) | |
| Reverse per obverse ratio (r/o) | Percentage of singletons (o1) ᵖ | 36.84 % | |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 22.21 | Coins struck if 20,000 as average productivity per die ᵖ | 444,200 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 25.45 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00017 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 90.67% | Die productivity if survival rate 1/2,000 ᵖ | 6,753.71 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 1,333 kg <br /> 1,333 kg | Die productivity if survival rate 1/5,000 ᵖ | 16,884.29 |
Remarks