S 649 - Byblus (Ptolemy V), silver, tetradrachms (204-181 BCE)
From SILVER
204 BCE - 181 BCE Silver 917 kg
Description
| Obverse: | Head of Ptolemy V right draped an diademed |
| Reverse: | ΒΑΣΙΛΕΩΣ (Greek).Eagle standing to left on thunderbolt, with wings closed BY left field, Isis' crown right field |
Mint and issuing power
| Mint: | Byblus | Ancient region: | Phoenicia | Modern country: Lebanon | Authority: | Ptolemaic dynasty (323-30 BC), Ptolemy V Epiphanes (Ptolemaic king, 204-181 BC) |
Chronology
| From | 204 BCE | to | 181 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 14.10 | Denomination: | tetradrachm
|
Standard: | Ptolemaic |
Image
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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. 152-153, n° 2925-2928 | ||
| Coin series reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 1 | 50 | 1 | 25 | 2 |
| 3 | 1 | 50 | 3 | 75 | 1 |
| Total | 2 of 2 | 100 | 4 of 4 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 2 | Number of singletons (o1) ᵖ | 1 |
| Number of reverse dies (r) | 2 | Number of coins (n) | 4 |
| Coins per obverse die (n/o) | 2 | Coins per reverse die (n/r) | 2 |
| Reverse per obverse ratio (r/o) | 1 | Percentage of singletons (o1) ᵖ | 50 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 3.25 | Coins struck if 20,000 as average productivity per die ᵖ | 65,000 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 4 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00006 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 75% | Die productivity if survival rate 1/2,000 ᵖ | 2,461.54 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 917 kg <br /> 917 kg | Die productivity if survival rate 1/5,000 ᵖ | 6,153.85 |
Remarks
Most likely one single workstation Likely military
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 Etude de numismatique et d'histoire, [Unpublished doctoral dissertation], Orléans University, 2012.
