S 648 - Uncertain mint, silver, tetradrachm
From SILVER
204 BCE - 181 BCE Silver 1,196 kg
Description
| Obverse: | Different types : 1) Draped and diademed bust of Ptolemy V facing right 2) Head of Ptolemy I facing right, wearing diadem, aegis around neck. |
| Reverse: | (Greek).Different types : 1) Three ears of wheat linked together by a double-headed eagle, Star in the upper left field, Compass in the lower left field, Star in the upper right field, Leaf in the lower right field 2) Eagle standing to left on thunderbolt, with wings closed, Compass in the left field, Leaf in the right field |
Mint and issuing power
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, n° 2898-2924 | ||
| Coin series reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 5 | 1 | 25 | 5 | 18.52 | 2 |
| 6 | 1 | 25 | 6 | 22.22 | 1 |
| 8 | 2 | 50 | 16 | 59.26 | 3, 4 |
| Total | 4 of 4 | 100 | 27 of 27 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 4 | Number of singletons (o1) ᵖ | |
| Number of reverse dies (r) | 12 | Number of coins (n) | 27 |
| Coins per obverse die (n/o) | 6.75 | Coins per reverse die (n/r) | 2.25 |
| Reverse per obverse ratio (r/o) | 3 | Percentage of singletons (o1) ᵖ | % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 4.24 | Coins struck if 20,000 as average productivity per die ᵖ | 84,800 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 4.7 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00032 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | % | Die productivity if survival rate 1/2,000 ᵖ | 12,735.85 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 1,196 kg <br /> 1,196 kg | Die productivity if survival rate 1/5,000 ᵖ | 31,839.62 |
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 Etude de numismatique et d'histoire, [Unpublished doctoral dissertation], Orléans University, 2012.
