S 2042 - Alexandria (Ptolemy V), silver, tetradrachms (199-198 BCE)
From SILVER
199 BCE - 198 BCE Silver 1,847 kg
Description
| Obverse: | Diademed bust of Ptolemy I to right, wearing aegis, and with a six-pointed star on his diadem at the large curl of hair above Ptolemy I's ear |
| Reverse: | ΠTOΛEMAIOΥ ΣΩΤΗPΟΣ (Greek).Eagle with closed wings standing left on thunderbolt, in the field to left, monogram of ΑΡ, to right, spearhead upwards |
Mint and issuing power
| Mint: | Alexandria | Ancient region: | Egypt | Modern country: Egypt | Authority: | Ptolemaic dynasty (323-30 BC), Ptolemy V Epiphanes (Ptolemaic king, 204-181 BC) |
Chronology
| From | 199 BCE | to | 198 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.]]1Carlen 2019 | ||
| Coin series reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 2 | 1 | 16.67 | 2 | 6.06 | 2 |
| 3 | 2 | 33.33 | 6 | 18.18 | 4, 6 |
| 7 | 1 | 16.67 | 7 | 21.21 | 3 |
| 8 | 1 | 16.67 | 8 | 24.24 | 5 |
| 10 | 1 | 16.67 | 10 | 30.3 | 1 |
| Total | 6 of 6 | 100.01 | 33 of 33 | 99.99 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 6 | Number of singletons (o1) ᵖ | |
| Number of reverse dies (r) | 16 | Number of coins (n) | 33 |
| Coins per obverse die (n/o) | 5.5 | Coins per reverse die (n/r) | 2.06 |
| Reverse per obverse ratio (r/o) | 2.67 | Percentage of singletons (o1) ᵖ | % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 6.55 | Coins struck if 20,000 as average productivity per die ᵖ | 131,000 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 7.33 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00025 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | % | Die productivity if survival rate 1/2,000 ᵖ | 10,076.34 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 1,847 kg <br /> 1,847 kg | Die productivity if survival rate 1/5,000 ᵖ | 25,190.84 |
Remarks
Most likely one single workstation
References
- ^ Carlen Eric (2019), "The Spearhead and Monogram Coinage of Ptolemy V," American Numismatic Journal, 2nd ser., 31, p. 97-118, pl. 18-23.