Alexandria (Ptolemy II), gold, pentekontadrachma (jugate busts of Ptolemy II and Arsinoe/jugate busts of Ptolemy I and Berenice) (272-260 BCE)

From SILVER
SILVER IDUnique ID of the page : 14192


272 BCE - 260 BCE Gold 165,855 kg

Description
ObverseInscription or printing placed on the obverse.: ΑΔΕΛΦΩΝ (Greek).Jugate busts of Ptolemy II, diademed and draped, and Arsinoe II, diademed and veiled, to right, behind, Gallic shield
ReverseInscription or printing placed on the reverse.: ΘΕΩΝ (Greek).Jugate busts of Ptolemy I, diademed and draped, and Berenike I, diademed and veiled, to right, to lower right, K
Mint and issuing power
MintIdentifies the place of manufacture or issue of a numismatic object.: Alexandria Ancient regionAncient region.: Egypt Modern countryModern country: Egypt AuthorityIdentifies the issuing power. The authority can be "pretended" when the name or the portrait of X is on the coin but he/she was not the issuing power. It can also be "uncertain" when there is no mention of X on the coin but he/she was the issuing power according to the historical sources: Ptolemaic dynasty (323-30 BC), Ptolemy II Philadelphus (Ptolemaic king, 283-246 BC)
Chronology
FromIdentifies the initial date in a range assigned in a numismatic context. 272 BCE toIdentifies the final date in a range assigned in a numismatic context.. 260 BCE PeriodTime period of the numismatic object.: Hellenistic 323-30 BC Nomisma.org
Physical description
MetalThe physical material (usually metal) from which an object is made.: Gold Nomisma.org Median weightMedian of the weights of numismatic objects (in grams). in grams 13.90 DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: pentekontadrachmon, 1/2 manieion StandardStandard.: Ptolemaic
Image
S2062 Egypt pentekontadrachma Theon Adelphon.jpg [1]
References
Die study referencePublication of the study: Olivier - Lorber 20131Olivier - Lorber 2013, p. 70-78, n° 165-392
Coin series referenceReference to coin series study: Svoronos 18902Svoronos 1890, n° 604, 614, 618, 621, Sear II3Sear II, n° 7790, CPE I4CPE I, n° 308-311, [[2]]5https://numismatics.org/pco/id/cpe.1_1.310
Coin series web referenceCoin series web references:



Obverse dies distribution
FrequencyFrequency of specimen in distribution.  Number of obversesNumber of obverse dies.  (o) % (o) Number of coinsNumber of coins. (n) % (n) Die nameName(s) of the die(s).
1 16 30.77 16 7.21 1, 2, 4, 25, 28, 29, 37, 39, 43, 44, 45, 46, 47, 48, 49, 50
2 7 13.46 14 6.31 11, 21, 23, 30, 35, 42, 52
3 3 5.77 9 4.05 27, 38, 41
4 3 5.77 12 5.41 32, 36, 51
5 3 5.77 15 6.76 9, 10, 26
6 6 11.54 36 16.22 3, 14, 16, 31, 34, 35
7 6 11.54 42 18.92 7, 12, 13, 15, 20, 40
8 2 3.85 16 7.21 18, 24
9 1 1.92 9 4.05 6
10 3 5.77 30 13.51 5, 8, 22
11 1 1.92 11 4.95 19
12 1 1.92 12 5.41 17
Total 52 of 52 100 222 of 222 100.01
Reverse dies distribution

no distribution is available


Quantification
Number of obversesNumber of obverse dies.  (o) 52 Number of singletons (o1)The number of singleton coins.  16
Number of reverse diesNumber of reverse dies. (r) 124 Number of coinsNumber of coins. (n) 222
Coins per obverse dieNumber of coins per obverse die. (n/o) 4.27 Coins per reverse dieNumber of coins per reverse die. (n/r) 1.79
Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) 2.38 Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1)  30.77 %
Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983  59.66 Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000.  1,193,200
Original number of dies (O) (Esty 2011 formula)The estimation of the number of coins according to the singleton formula in Esty 2011  (O) 67.91 Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000.  0.00019
Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O)  (o = % of O) 92.79% Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000.  7,442.17
Weight of silver (in kg) if 20,000 coins per die (O = Carter formula)Carter 1983 * Median weight * 20000 (*10 if gold or electrum)  165,855 kg <br /> 165,855 kg Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000.  18,605.43
Remarks

Most likely one single workstation Likely military

References

  1. ^  Olivier, Julien - Lorber, Catharine C. (2013), "Three gold coinages of third-century Ptolemaic Egypt," Revue belge de Numismatique, 159, p. 49-150.
  2. ^  Svoronos, Ioannes N. (1890), Numismatique de Crète ancienne, accompagnée de l'histoire, la géographie et la mythologie de l'île. Première partie, description des monnaies, 2 vol., Macon, Impr. Protat frères.
  3. ^  Sear, David R. (1979), Greek coins and their values. Vol. II, Asia and North Africa, London, xlviii, p. 317-762
  4. ^  Lorber, Catharine C. (2018), Coins of the Ptolemaic empire : Part I. Ptolemy I through Ptolemy IV, 2 vol., New York.
  5. ^ https://numismatics.org/pco/id/cpe.1_1.310