S 1920 - Phocis (various mints) (Phocian League), silver, triobols (460-400 BCE)
From SILVER
460 BCE - 400 BCE Silver 4,329 kg
Description
| Obverse: | Head of bull facing |
| Reverse: | Φ-O-K-I (Greek).Head of Artemis to right, all within incuse square |
Mint and issuing power
| Mint: | Phocis (various mints) | Ancient region: | Phocis | Modern country: Greece | Authority: | Phocian League |
Chronology
| From | 460 BCE | to | 400 BCE | Period: Classical 480-323 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 3.00 | Denomination: | triobol , 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. 97-106, 108-113, n° 162-219, 234-265 (Periods III-IV) | ||
| 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° 2350, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3HGC 4, n° 1036 | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 6 | 3 | 4.92 | 18 | 7.83 | 121, 141, 164 |
| 7 | 2 | 3.28 | 14 | 6.09 | 118, 174 |
| 10 | 2 | 3.28 | 20 | 8.7 | 143, 170 |
| 11 | 2 | 3.28 | 22 | 9.57 | 153, 154 |
| 12 | 2 | 3.28 | 24 | 10.43 | 119, 183 |
| 21 | 1 | 1.64 | 21 | 9.13 | 139 |
| 1 | 21 | 34.43 | 21 | 9.13 | 117, 122, 130, 134, 140, 144, 146, 152, 155, 165, 166, 171, 172, 173, 175, 176, 181, 187, 188, 189, 190 |
| 2 | 9 | 14.75 | 18 | 7.83 | 128, 129, 137, 138, 142, 147, 150, 163, 186 |
| 3 | 9 | 14.75 | 27 | 11.74 | 120, 131, 132, 136, 145, 149, 167, 178, 182 |
| 4 | 5 | 8.2 | 20 | 8.7 | 151, 156, 168, 177, 179 |
| 5 | 5 | 8.2 | 25 | 10.87 | 133, 135, 148, 169, 180 |
| Total | 61 of 61 | 100.01 | 230 of 230 | 100.02 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 61 | Number of singletons (o1) ᵖ | 21 |
| Number of reverse dies (r) | Number of coins (n) | 230 | |
| Coins per obverse die (n/o) | 3.77 | Coins per reverse die (n/r) | |
| Reverse per obverse ratio (r/o) | Percentage of singletons (o1) ᵖ | 34.43 % | |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 72.15 | Coins struck if 20,000 as average productivity per die ᵖ | 1,443,000 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 83.02 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00016 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 90.87% | Die productivity if survival rate 1/2,000 ᵖ | 6,375.61 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 4,329 kg <br /> 4,329 kg | Die productivity if survival rate 1/5,000 ᵖ | 15,939.02 |
Remarks
References
- ^ Williams, Roderick T. (1972), The silver coinage of the Phokians, RNS Spec. Publ. 7, London, ix + 138 p., 16 pl.
- ^ Sear, David R. (1978), Greek coins and their values. Vol. I, Europe, London, xl, 316 p.
- ^ Hoover, Oliver D. (2014), Handbook of Greek Coinage Series 4. Northern and Central Greece : Achaia Phthiotis, Ainis, Magnesia, Malis, Oita, Perrhaibia, Thessaly, Akarnania, Aitolia, Lokris, Phokis, Boiotia, Euboia, Attica, Megaris and Corinthia, sixth to first centuries BC, Lancaster, lxxi, 563 p.
