S 673 - Alexandria, silver, tetradrachm, 155-145 BC
From SILVER
155 BCE - 145 BCE Silver 13,516 kg
Description
| Obverse: | Head of Ptolemy I Soter to right, wearing diadem and aegis around neck. |
| Reverse: | ΠΤΟΛΕΜΑΙΟΥ ΣΟΤΗΡΟΣ (Greek).Eagle standing to left on thunderbolt. In field, date. |
Mint and issuing power
Chronology
| From | 155 BCE | to | 145 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 14.10 | Denomination: | tetradrachm
|
Standard: | Ptolemaic |
Image
.png)
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. 200-202, no. 4378-4443. | ||
| Coin series reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 17 | 54.84 | 17 | 25.76 | D3, D4, D5, D6, D7, D8, D10, D12, D13, D14, D16, D17, D18, D20, D24, D27, D28 |
| 2 | 5 | 16.13 | 10 | 15.15 | D2, D15, D19, D22, D30 |
| 3 | 3 | 9.68 | 9 | 13.64 | D9, D23, D25 |
| 4 | 4 | 12.9 | 16 | 24.24 | D11, D21, D26, D29 |
| 7 | 2 | 6.45 | 14 | 21.21 | D1, D31 |
| Total | 31 of 31 | 100 | 66 of 66 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 31 | Number of singletons (o1) ᵖ | 17 |
| Number of reverse dies (r) | 57 | Number of coins (n) | 66 |
| Coins per obverse die (n/o) | 2.13 | Coins per reverse die (n/r) | 1.16 |
| Reverse per obverse ratio (r/o) | 1.84 | Percentage of singletons (o1) ᵖ | 54.84 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 47.93 | Coins struck if 20,000 as average productivity per die ᵖ | 958,600 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 58.46 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00007 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 74.24% | Die productivity if survival rate 1/2,000 ᵖ | 2,754.02 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 13,516 kg <br /> 13,516 kg | Die productivity if survival rate 1/5,000 ᵖ | 6,885.04 |
Remarks
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 Etude de numismatique et d'histoire, [Unpublished doctoral dissertation], Orléans University, 2012.
