S 669 - Alexandria (Ptolemy V), silver, octodrachms (205-195 BCE)
From SILVER
205 BCE - 195 BCE Silver 2,170 kg
Description
| Obverse: | Head of Ptolemy I Soter to right, wearing diadem and aegis around neck. |
| Reverse: | BAΣIΛEΩΣ – ΠTOΛEMAIOY (Greek).Eagle standing to left on thunderbolt. In left field, star. |
Mint and issuing power
| Mint: | Alexandria | Ancient region: | Egypt | Modern country: Egypt | Authority: | Ptolemaic dynasty (323-30 BC), Ptolemy V Epiphanes (Ptolemaic king, 204-181 BC) |
Chronology
| From | 205 BCE | to | 195 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 28.40 | Denomination: | octodrachm
|
Standard: | Ptolemaic |
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.]]1Olivier 2012, p. 174-175, n° 3574-3582 | ||
| Coin series reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 1 | 33.33 | 1 | 11.11 | 3 |
| 3 | 1 | 33.33 | 3 | 33.33 | 5 |
| 5 | 1 | 33.33 | 5 | 55.56 | 4 |
| Total | 3 of 3 | 99.99 | 9 of 9 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 3 | Number of singletons (o1) ᵖ | 1 |
| Number of reverse dies (r) | Number of coins (n) | 9 | |
| Coins per obverse die (n/o) | 3 | Coins per reverse die (n/r) | |
| Reverse per obverse ratio (r/o) | Percentage of singletons (o1) ᵖ | 33.33 % | |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 3.82 | Coins struck if 20,000 as average productivity per die ᵖ | 76,400 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 4.5 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00012 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 88.89% | Die productivity if survival rate 1/2,000 ᵖ | 4,712.04 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 2,170 kg <br /> 2,170 kg | Die productivity if survival rate 1/5,000 ᵖ | 11,780.1 |
Remarks
Most likely one single workstation
References
- ^ Olivier, Julien (2012), Archè et Chrèmata en Egypte au IIe siècle avant J.-C. (204-81 av. J.-C.). Etude de numismatique et d'histoire, [Unpublished doctoral dissertation], Orléans University, 2012.
