S 1923 - Phocis (various mints) (Phocian League), silver, obols (356-346 BCE)
From SILVER
356 BCE - 346 BCE Silver 2,370 kg
Description
| Obverse: | Bull's head facing |
| Reverse: | Φ−Ω (Greek).Head of Apollo r. |
Mint and issuing power
| Mint: | Phocis (various mints) | Ancient region: | Phocis | Modern country: Greece | Authority: | Phocian League |
Chronology
| From | 356 BCE | to | 346 BCE | Period: Classical 480-323 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 0.90 | Denomination: | obol
|
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. 121-130, n° 329-331, 356-367, 406-410 (Period V) | ||
| 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° 2354 | ||
| Coin series web reference: | |||
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 18 | Number of singletons (o1) ᵖ | 16 |
| Number of reverse dies (r) | 18 | Number of coins (n) | 20 |
| Coins per obverse die (n/o) | 1.11 | Coins per reverse die (n/r) | 1.11 |
| Reverse per obverse ratio (r/o) | 1 | Percentage of singletons (o1) ᵖ | 88.89 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 131.68 | Coins struck if 20,000 as average productivity per die ᵖ | 2,633,600 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 180 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00001 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 20% | Die productivity if survival rate 1/2,000 ᵖ | 303.77 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 2,370 kg <br /> 2,370 kg | Die productivity if survival rate 1/5,000 ᵖ | 759.42 |
Remarks
