S 117 - Aradus (Ptolemy VI), silver, tetradrachms (180-145 BCE) Mørkholm
From SILVER
180 BCE - 145 BCE Silver 16,880 kg
Description
| Obverse: | Head of Ptolemy I Soter to right, wearing diadem and aegis around neck |
| Reverse: | ΠΤΟΛΕΜΑΙΟΥ ΣΩΤΗΡΟΣ (Greek).Eagle standing to left on thunderbolt, date in field |
Mint and issuing power
Chronology
| From | 180 BCE | to | 145 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 14.30 | 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.]]1Mørkholm 1975/1976 | ||
| Coin series reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 22 | 44.9 | 22 | 12.72 | |
| 2 | 8 | 16.33 | 16 | 9.25 | |
| 3 | 5 | 10.2 | 15 | 8.67 | |
| 4 | 3 | 6.12 | 12 | 6.94 | |
| 5 | 2 | 4.08 | 10 | 5.78 | |
| 6 | 2 | 4.08 | 12 | 6.94 | |
| 7 | 2 | 4.08 | 14 | 8.09 | |
| 9 | 2 | 4.08 | 18 | 10.4 | |
| 12 | 1 | 2.04 | 12 | 6.94 | |
| 13 | 1 | 2.04 | 13 | 7.51 | |
| 28 | 1 | 2.04 | 28 | 16.18 | |
| Total | 49 of 49 | 99.99 | 172 of 173 | 99.42 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 49 | Number of singletons (o1) ᵖ | 22 |
| Number of reverse dies (r) | Number of coins (n) | 173 | |
| Coins per obverse die (n/o) | 3.53 | Coins per reverse die (n/r) | |
| Reverse per obverse ratio (r/o) | Percentage of singletons (o1) ᵖ | 44.9 % | |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 59.02 | Coins struck if 20,000 as average productivity per die ᵖ | 1,180,400 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 68.36 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00015 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 87.28% | Die productivity if survival rate 1/2,000 ᵖ | 5,862.42 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 16,880 kg <br /> 16,880 kg | Die productivity if survival rate 1/5,000 ᵖ | 14,656.05 |
Remarks
Most likely one single workstation
References
- ^ Mørkholm, Otto (1975/1976), "The Ptolemaic 'Coins of Uncertain Era' ", Nordisk Numismatik Arsskrift, p. 23-58, 8 pl.
