S 1814 - Acanthus, silver, diobols (Period B) (500-478 BCE)
From SILVER
500 BCE - 478 BCE Silver 1,164 kg
Description
| Obverse: | Head of Athena to right, wearing crested Attic helmet |
| Reverse: | Quadripartite incuse square |
Mint and issuing power
| Mint: | Acanthus | Ancient region: | Macedon | Modern country: Greece | Authority: |
Chronology
| From | 500 BCE | to | 478 BCE | Period: Archaic until 480 BC |
Physical description
| Metal: | Silver |
Median weight in grams | 1.20 | Denomination: | diobol |
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.]]1Tselekas 1996, p. 217-221 | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2HGC 3.1, n° 389 | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 19 | 59.38 | 19 | 27.14 | 1, 6, 7, 8, 9, 10, 11, 12, 14, 15, 17, 19, 20, 21, 22, 25, 29, 31, 32 |
| 2 | 7 | 21.88 | 14 | 20 | 3, 5, 16, 23, 24, 26, 30 |
| 3 | 3 | 9.38 | 9 | 12.86 | 2, 4, 13 |
| 6 | 2 | 6.25 | 12 | 17.14 | 18, 28 |
| 16 | 1 | 3.13 | 16 | 22.86 | 27 |
| Total | 32 of 32 | 100.02 | 70 of 70 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 32 | Number of singletons (o1) ᵖ | 19 |
| Number of reverse dies (r) | 34 | Number of coins (n) | 70 |
| Coins per obverse die (n/o) | 2.19 | Coins per reverse die (n/r) | 2.06 |
| Reverse per obverse ratio (r/o) | 1.06 | Percentage of singletons (o1) ᵖ | 59.38 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 48.52 | Coins struck if 20,000 as average productivity per die ᵖ | 970,400 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 58.95 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00007 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 72.86% | Die productivity if survival rate 1/2,000 ᵖ | 2,885.41 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 1,164 kg <br /> 1,164 kg | Die productivity if survival rate 1/5,000 ᵖ | 7,213.52 |
Remarks