Citium (Ptolemy VI and VIII), silver, tetradrachms (Ptolemy I/eagle on thunderbolt) (170-163 BCE)
From SILVER
170 BCE - 163 BCE Silver 6,588 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. In field, date (and Horus crown, cornucopia, owl, star, club, Isis crown). |
Mint and issuing power
Chronology
| From | 170 BCE | to | 163 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. 89-90, n° 1127-1139 | ||
| 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° 1352-1353 and 1356 | ||
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 9 | Number of singletons (o1) ᵖ | 6 |
| Number of reverse dies (r) | 8 | Number of coins (n) | 13 |
| Coins per obverse die (n/o) | 1.44 | Coins per reverse die (n/r) | 1.63 |
| Reverse per obverse ratio (r/o) | 0.89 | Percentage of singletons (o1) ᵖ | 66.67 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 23.36 | Coins struck if 20,000 as average productivity per die ᵖ | 467,200 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 29.25 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00003 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 53.85% | Die productivity if survival rate 1/2,000 ᵖ | 1,113.01 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 6,588 kg <br /> 6,588 kg | Die productivity if survival rate 1/5,000 ᵖ | 2,782.53 |
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 Etude de numismatique et d'histoire, [Unpublished doctoral dissertation], Orléans University, 2012.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.
