Euhesperides (Ptolemy III), silver, didrachms (Berenike/club) (246-222 BCE)
From SILVER
246 BCE - 222 BCE Silver 2,430 kg
Description
| Obverse: | Diademed and draped bust of Berenike to right |
| Reverse: | BAΣIΛIΣΣHΣ BEPENIKHΣ (Greek).Club above monogram, to right, trident, to left, Π, all within laurel wreath |
Mint and issuing power
Chronology
| From | 246 BCE | to | 222 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 6.90 | Denomination: | didrachm
|
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.]]1Asolati - Crisafulli 2018, p. 25 | ||
| 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, no. 320, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3CPE I, 729 | ||
| Coin series web reference: | |||
Obverse dies distribution
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 16 | Number of singletons (o1) ᵖ | 6 |
| Number of reverse dies (r) | 37 | Number of coins (n) | 84 |
| Coins per obverse die (n/o) | 5.25 | Coins per reverse die (n/r) | 2.27 |
| Reverse per obverse ratio (r/o) | 2.31 | Percentage of singletons (o1) ᵖ | 37.5 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 17.61 | Coins struck if 20,000 as average productivity per die ᵖ | 352,200 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 19.76 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00024 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 92.86% | Die productivity if survival rate 1/2,000 ᵖ | 9,540.03 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 2,430 kg <br /> 2,430 kg | Die productivity if survival rate 1/5,000 ᵖ | 23,850.09 |
Remarks
Most likely one single workstation
References
- ^ Asolati, Michele - Crisafulli, Cristina (2018), Cirene e la Cirenaica in età greca e romana. Le monete. I. I ripostigli, Rome: "L'Erma" di Bretschneider, 413 pages, 122 plates
- ^ 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.
- ^ Lorber, Catharine C. (2018), Coins of the Ptolemaic empire : Part I. Ptolemy I through Ptolemy IV, 2 vol., New York.
