Ptolemais-Ake (Alexander Balas), silver, tetradrachms (Zeus) (151-149 BCE)
From SILVER
151 BCE - 149 BCE Silver 719 kg
Description
| Obverse: | Diademed and draped bust right |
| Reverse: | BAΣIΛEΩΣ AΛEΞANΔPOY (Greek).Eagle standing left on prow left, palm frond behind, to left, monogram above BΞP (date), ΠTO to right, monogram between legs |
Mint and issuing power
| Mint: | Ptolemais-Ake | Ancient region: | Phoenicia | Modern country: Israel | Authority: | Alexander I Balas (Seleucid king, 152-145 BC), Seleucid Dynasty (312-63 BC) |
Chronology
| From | 151 BCE | to | 149 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 14.10 | 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. 98-99 | ||
| 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° 1842, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3HGC 9, n° 884 | ||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 1 | 50 | 1 | 16.67 | 2 |
| 5 | 1 | 50 | 5 | 83.33 | 1 |
| Total | 2 of 2 | 100 | 6 of 6 | 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) | 4 | Number of coins (n) | 6 |
| Coins per obverse die (n/o) | 3 | Coins per reverse die (n/r) | 1.5 |
| Reverse per obverse ratio (r/o) | 2 | Percentage of singletons (o1) ᵖ | 50 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 2.55 | Coins struck if 20,000 as average productivity per die ᵖ | 51,000 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 3 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00012 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 83.33% | Die productivity if survival rate 1/2,000 ᵖ | 4,705.88 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 719 kg <br /> 719 kg | Die productivity if survival rate 1/5,000 ᵖ | 11,764.71 |
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
- ^ Hoover, Oliver D. (2009), Handbook of ancient Syrian coins : royal and civic issues, fourth to first centuries BC, The Handbook of Greek Coinage 9, Lancaster, lxix, 332 p.
