S 994 - Ascalon (Ptolemy IV), silver, tetradrachms (219-218 BCE)
From SILVER
219 BCE - 218 BCE Silver 619 kg
Description
| Obverse: | Jugate busts right of Serapis, laureate, bearded and draped, and Isis, crowned, diademed and draped |
| Reverse: | ΒΑΣΙΛΕΩΣ ΠΤΟΛΕΜΑΙΟΥ (Greek).Eagle with closed wings standing on thunderbolt to left, his head turned back to right, with cornucopiae at his shoulder, in field to left, AΣ, date LΔ on the right field |
Mint and issuing power
| Mint: | Ascalon | Ancient region: | Phoenicia | Modern country: Israel | Authority: | Ptolemaic dynasty (323-30 BC), Ptolemy IV Philopator (Ptolemaic king, 221-205 BC) |
Chronology
| From | 219 BCE | to | 218 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 14.20 | 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.]]1Landvatter 2012, p. 75-76 (Group 8) | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2CPE I, n° 941 | ||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 5 | 1 | 50 | 5 | 45.45 | 33 |
| 6 | 1 | 50 | 6 | 54.55 | 34 |
| Total | 2 of 2 | 100 | 11 of 11 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 2 | Number of singletons (o1) ᵖ | |
| Number of reverse dies (r) | 8 | Number of coins (n) | 11 |
| Coins per obverse die (n/o) | 5.5 | Coins per reverse die (n/r) | 1.38 |
| Reverse per obverse ratio (r/o) | 4 | Percentage of singletons (o1) ᵖ | % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 2.18 | Coins struck if 20,000 as average productivity per die ᵖ | 43,600 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 2.44 | 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 | 10,091.74 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 619 kg <br /> 619 kg | Die productivity if survival rate 1/5,000 ᵖ | 25,229.36 |
Remarks
Most likely one single workstation
