Ptolemais-Ake (Tryphon), silver, tetradrachms (142-138 BCE)
From SILVER
142 BCE - 138 BCE Silver 11,645 kg
Description
| Obverse: | Diademed and draped bust of Tryphon to right |
| Reverse: | BAΣIΛEΩΣ - TPYΦΩNOΣ / AYTOKPATOPOΣ (Greek).Eagle, wings closed, standing left on thunderbolt, in field to left, monogram of ΠA, to upper right, LΔ |
Mint and issuing power
| Mint: | Ptolemais-Ake | Ancient region: | Phoenicia | Modern country: Israel | Authority: | Seleucid Dynasty (312-63 BC), Tryphon (142-138 BCE) |
Chronology
| From | 142 BCE | to | 138 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 13.70 | Denomination: | tetradrachm
|
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.]]1Voulgaridis 2000, p. 125-127 | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2SC II, n° 2046.2c | ||
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 17 | Number of singletons (o1) ᵖ | 11 |
| Number of reverse dies (r) | 18 | Number of coins (n) | 25 |
| Coins per obverse die (n/o) | 1.47 | Coins per reverse die (n/r) | 1.39 |
| Reverse per obverse ratio (r/o) | 1.06 | Percentage of singletons (o1) ᵖ | 64.71 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 42.5 | Coins struck if 20,000 as average productivity per die ᵖ | 850,000 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 53.13 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00003 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 56% | Die productivity if survival rate 1/2,000 ᵖ | 1,176.47 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 11,645 kg <br /> 11,645 kg | Die productivity if survival rate 1/5,000 ᵖ | 2,941.18 |
Remarks
Most likely one single workstation
References
- ^ Voulgaridis, Georges (2000), Les ateliers monetaires de ptolemais-'Akko et d'Ascalon sous la domination seleucide, unpublished doctoral dissertation, Marc Bloch University, Strasbourg, 2 vol., 448 p., 37 pl.
- ^ Houghton, Arthur - Lorber, Catharine C. - Hoover, Oliver D. (2008), Seleucid coins : a comprehensive catalogue. Part 2, Seleucus IV through Antiochus XIII, 2 v., New York - Lancaster - London, (xxx), 120 p. of plates : ill., maps, tables
