Tyre (Ptolemy IV), silver, tetradrachms ΣΩ (portrait of Ptolemy IV) (217-215 BCE)
From SILVER
217 BCE - 215 BCE Silver 282 kg
Description
| Obverse: | Diademed and draped bust of Ptolemy IV to right, wearing Macedonian military chlamys |
| Reverse: | ΠTOΛEMAIOY ΦIΛOΠATOPOΣ (Greek).Eagle with closed wings standing to left on thunderbolt, to left, club surmounted by the monogram of Tyros, between eagle's legs, monogram of Δ•Σ, in field to right, monogram of ΣΩ |
Mint and issuing power
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
.jpg)
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. 57-58, n° 30-42 | ||
| 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° 921-925 | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 13 | 1 | 100 | 13 | 100 | 3 |
| Total | 1 of 1 | 100 | 13 of 13 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 1 | Number of singletons (o1) ᵖ | |
| Number of reverse dies (r) | 5 | Number of coins (n) | 13 |
| Coins per obverse die (n/o) | 13 | Coins per reverse die (n/r) | 2.6 |
| Reverse per obverse ratio (r/o) | 5 | Percentage of singletons (o1) ᵖ | % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 1 | Coins struck if 20,000 as average productivity per die ᵖ | 20,000 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 1.08 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00065 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | % | Die productivity if survival rate 1/2,000 ᵖ | 26,000 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 282 kg <br /> 282 kg | Die productivity if survival rate 1/5,000 ᵖ | 65,000 |
Remarks
Most likely one single workstation Likely 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.
