S 1821 - Acanthus, silver, diobols (Period F) (430-380 BCE)
From SILVER
430 BCE - 380 BCE Silver 920 kg
Description
| Obverse: | Π before visor (Greek).Helmeted head of Athena right |
| Reverse: | (Greek).Quadripartite incuse square, ethnic in quarters |
Mint and issuing power
| Mint: | Acanthus | Ancient region: | Macedon | Modern country: Greece | Authority: |
Chronology
| From | 430 BCE | to | 380 BCE | Period: Classical 480-323 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 0.90 | 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. 295-298 | ||
| 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° 393 | ||
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 19 | Number of singletons (o1) ᵖ | 14 |
| Number of reverse dies (r) | 21 | Number of coins (n) | 27 |
| Coins per obverse die (n/o) | 1.42 | Coins per reverse die (n/r) | 1.29 |
| Reverse per obverse ratio (r/o) | 1.11 | Percentage of singletons (o1) ᵖ | 73.68 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 51.12 | Coins struck if 20,000 as average productivity per die ᵖ | 1,022,400 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 64.13 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00003 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 48.15% | Die productivity if survival rate 1/2,000 ᵖ | 1,056.34 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 920 kg <br /> 920 kg | Die productivity if survival rate 1/5,000 ᵖ | 2,640.85 |
Remarks
Most likely one single workstation
