Citium (Ptolemy VI), silver, tetradrachms (Ptolemy I/eagle on thunderbolt) (163-145 BCE)
From SILVER
163 BCE - 145 BCE Silver 8,215 kg
Description
| Obverse: | Head of Ptolemy I Soter to right, wearing diadem and aegis around neck. |
| Reverse: | ΠΤΟΛΕΜΑΙΟΥ ΒΑΣΙΛΕΩΣ (Greek).Eagle standing to left on thunderbolt, (spearhead under wing). In field, date (and (diademed) club, star, diademed petasos, diademed scepter, Isis crown with club or ear of cereal with club). |
Mint and issuing power
Chronology
| From | 163 BCE | to | 145 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.]]1Olivier 2012, p. 90-93, n° 1140-1239. | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2Svoronos 1904-1908, n° 1363-1371 and 1472-1485 | ||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 9 | 36 | 9 | 9 | 227, 229, 230, 233, 234, 237, 238, 239, 243 |
| 2 | 5 | 20 | 10 | 10 | 96, 224, 232, 236, 244 |
| 3 | 4 | 16 | 12 | 12 | 223, 225, 226, 228 |
| 4 | 2 | 8 | 8 | 8 | 231, 241 |
| 6 | 1 | 4 | 6 | 6 | 222 |
| 7 | 2 | 8 | 14 | 14 | 235, 240 |
| 10 | 1 | 4 | 10 | 10 | 227 |
| 31 | 1 | 4 | 31 | 31 | 242 |
| Total | 25 of 25 | 100 | 100 of 100 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 25 | Number of singletons (o1) ᵖ | 9 |
| Number of reverse dies (r) | 26 | Number of coins (n) | 100 |
| Coins per obverse die (n/o) | 4 | Coins per reverse die (n/r) | 3.85 |
| Reverse per obverse ratio (r/o) | 1.04 | Percentage of singletons (o1) ᵖ | 36 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 29.13 | Coins struck if 20,000 as average productivity per die ᵖ | 582,600 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 33.33 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00017 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 91% | Die productivity if survival rate 1/2,000 ᵖ | 6,865.77 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 8,215 kg <br /> 8,215 kg | Die productivity if survival rate 1/5,000 ᵖ | 17,164.44 |
Remarks
Most likely one single workstation Likely military
References
- ^ Olivier, Julien (2012), Archè et Chrèmata en Egypte au IIe siècle avant J.-C. (204-81 av. J.-C.). Etude de numismatique et d'histoire, [Unpublished doctoral dissertation], Orléans University, 2012.
- ^ Svoronos, Ioannes N. (1904-1908), Τὰ νομίσματα τοῦ κράτους τῶν Πτολεμαίων (Ta nomismata tou kratous tōn Ptolemaiōn - The coins of the Ptolemaic rulers), Athens, 4 v., 68 pl.
