Sidon (Ptolemy IV), silver, tetradrachms ΣΩ (portrait of Ptolemy IV) (217-215 BCE)
From SILVER
217 BCE - 215 BCE Silver 1,356 kg
Description
| Obverse: | Diademed and draped bust of king right |
| Reverse: | BAΣIΛEΩΣ ΠTOΛEMAIOY (Greek).Eagle with folded wings standing three-quarters right on thunderbolt, to right, ΣΩ, to left ΣI |
Mint and issuing power
| Mint: | Sidon | Ancient region: | Phoenicia | Modern country: Lebanon | Authority: | Ptolemaic dynasty (323-30 BC), Ptolemy IV Philopator (Ptolemaic king, 221-205 BC) |
Chronology
| From | 217 BCE | to | 215 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.]]1Carlen 2022, p. 58, n° 1-3 | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2Sear II, n° 7827 (var.), "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3CPE I, n° 918-919 | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 1 | 50 | 1 | 33.33 | 2 |
| 2 | 1 | 50 | 2 | 66.67 | 1 |
| Total | 2 of 2 | 100 | 3 of 3 | 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) | 3 |
| Coins per obverse die (n/o) | 1.5 | Coins per reverse die (n/r) | 1.5 |
| Reverse per obverse ratio (r/o) | 1 | Percentage of singletons (o1) ᵖ | 50 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 4.81 | Coins struck if 20,000 as average productivity per die ᵖ | 96,200 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 6 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00003 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 66.67% | Die productivity if survival rate 1/2,000 ᵖ | 1,247.4 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 1,356 kg <br /> 1,356 kg | Die productivity if survival rate 1/5,000 ᵖ | 3,118.5 |
Remarks
Most likely one single workstation Certainly military
References
- ^ Carlen, Eric (2022), "The Silver ΣΩ Coinage of Ptolemy IV and Related Issues," Israel Numismatic Research, 17, p. 51-69.
- ^ Sear, David R. (1979), Greek coins and their values. Vol. II, Asia and North Africa, London, xlviii, p. 317-762
- ^ Lorber, Catharine C. (2018), Coins of the Ptolemaic empire : Part I. Ptolemy I through Ptolemy IV, 2 vol., New York.
