S 636 - Uncertain mint, silver, didrachm, 185-95 BC
From SILVER
185 BCE - 95 BCE Silver 0 kg
Description
| Obverse: | Bust of Dionysos to right, wearing vine wreath and thyrsus. |
| Reverse: | ΠΤΟΛΕΜΑΙΟΥ ΒΑΣΙΛΕΩΣ (Greek).Eagle standing to left on thunderbolt, with wings opened and seal under left wing |
Mint and issuing power
| Mint: | Ancient region: | Modern country: | Authority: | Ptolemaic dynasty (323-30 BC) |
Chronology
| From | 185 BCE | to | 95 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Denomination: | didrachm
|
Standard: |
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.]]1Olivier 2012, p. 134-141, no. 2557-2563, 2577-2649 and 2666-2680. | ||
| Coin series reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 11 | 1 | 2.44 | 11 | 11.58 | D25 |
| 1 | 15 | 36.59 | 15 | 15.79 | D5, D7, D19, D21, D22, D27, D28, D45, D47, D51, D55, D62, D63, D64, D67 |
| 2 | 11 | 26.83 | 22 | 23.16 | D4, D29, D41, D42, D44, D48, D50, D52, D56, D61, D68 |
| 3 | 9 | 21.95 | 27 | 28.42 | D6, D17, D18, D23, D24, D46, D49, D54, D66 |
| 4 | 5 | 12.2 | 20 | 21.05 | D20, D26, D43, D53, D65 |
| Total | 41 of 41 | 100.01 | 95 of 95 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 41 | Number of singletons (o1) ᵖ | 15 |
| Number of reverse dies (r) | 74 | Number of coins (n) | 95 |
| Coins per obverse die (n/o) | 2.32 | Coins per reverse die (n/r) | 1.28 |
| Reverse per obverse ratio (r/o) | 1.8 | Percentage of singletons (o1) ᵖ | 36.59 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 59.81 | Coins struck if 20,000 as average productivity per die ᵖ | 1,196,200 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 72.13 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00008 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 84.21% | Die productivity if survival rate 1/2,000 ᵖ | 3,176.73 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 0 kg <br /> 0 kg | Die productivity if survival rate 1/5,000 ᵖ | 7,941.82 |
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.
