Citium (Ptolemy VI), silver, tetradrachms (Ptolemy I/eagle on thunderbolt) (180-169 BCE)
From SILVER
180 BCE - 169 BCE Silver 1,765 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). |
Mint and issuing power
Chronology
| From | 180 BCE | to | 169 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. 87-89, n° 1081-1126. | ||
| 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° 1349-1351 and 1354-1359 | ||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 2 | 2 | 33.33 | 4 | 8.7 | 208, 211 |
| 6 | 1 | 16.67 | 6 | 13.04 | 206 |
| 7 | 1 | 16.67 | 7 | 15.22 | 210 |
| 8 | 1 | 16.67 | 8 | 17.39 | 207 |
| 21 | 1 | 16.67 | 21 | 45.65 | 209 |
| Total | 6 of 6 | 100.01 | 46 of 46 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 6 | Number of singletons (o1) ᵖ | 0 |
| Number of reverse dies (r) | 12 | Number of coins (n) | 46 |
| Coins per obverse die (n/o) | 7.67 | Coins per reverse die (n/r) | 3.83 |
| Reverse per obverse ratio (r/o) | 2 | Percentage of singletons (o1) ᵖ | 0 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 6.26 | Coins struck if 20,000 as average productivity per die ᵖ | 125,200 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 6.9 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00037 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 100% | Die productivity if survival rate 1/2,000 ᵖ | 14,696.49 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 1,765 kg <br /> 1,765 kg | Die productivity if survival rate 1/5,000 ᵖ | 36,741.21 |
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 Etude de numismatique et d'histoire, [Unpublished doctoral dissertation], Orléans University, 2012.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.
