Ptolemais-Ake? (Ptolemy II), silver, tetradrachms (256-246 BCE)

From SILVER
SILVER IDUnique ID of the page ᵖ: 9468


256 BCE - 246 BCE Silver 8,352 kg

Description
ObverseInscription or printing placed on the obverse.: Diademed head of Ptolemy I right, aegis around neck
ReverseInscription or printing placed on the reverse.: BAΣΙΛΕΩΣ ΠΤΟΛΕΜΑΙΟΥ (Greek).Eagle with closed wings standing left on thunderbolt, to left, monogram above ΛΕ, to right, AB above Θ
Mint and issuing power
MintIdentifies the place of manufacture or issue of a numismatic object.: Ptolemais-Ake Ancient regionAncient region.: Phoenicia Modern countryModern country: Israel 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. 256 BCE toIdentifies the final date in a range assigned in a numismatic context.. 246 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.: Silver Nomisma.org Median weightMedian of the weights of numismatic objects (in grams). in grams 14.20 DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: tetradrachm Nomisma.org StandardStandard.: Ptolemaic
Image
]]S932 Ptolemais Ptolemy II.jpg [1]
References
Die study referencePublication of the study: "[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Lorber 2013
Coin series referenceReference to coin series study: "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2CPE I, n° 700



Obverse dies distribution
FrequencyFrequency of specimen in distribution. ᵖ Number of obversesNumber of obverse dies. ᵖ (o) % (o) Number of coinsNumber of coins. (n) % (n) Die nameName(s) of the die(s).
1 10 58.82 10 31.25
2 3 17.65 6 18.75
3 2 11.76 6 18.75
4 1 5.88 4 12.5
6 1 5.88 6 18.75
Total 17 of 17 99.99 32 of 32 100
Reverse dies distribution

no distribution is available

Quantification
Number of obversesNumber of obverse dies. ᵖ (o) 17 Number of singletons (o1)The number of singleton coins. ᵖ 10
Number of reverse diesNumber of reverse dies. (r) 28 Number of coinsNumber of coins. (n) 32
Coins per obverse dieNumber of coins per obverse die. (n/o) 1.88 Coins per reverse dieNumber of coins per reverse die. (n/r) 1.14
Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) 1.65 Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ 58.82 %
Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ 29.41 Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ 588,200
Original number of dies (O) (Esty 2011 formula)The estimation of the number of coins according to the singleton formula in Esty 2011 ᵖ (O) 36.27 Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ 0.00005
Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O) 68.75% Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ 2,176.13
Weight of silver (in kg) if 20,000 coins per die (O = Carter formula)Carter 1983 * Median weight * 20000 (*10 if gold or electrum) ᵖ 8,352 kg <br /> 8,352 kg Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ 5,440.33
Remarks


References

  1. ^  Lorber, Catharine C. (2013), "A Mint Imitating Ptolemaic tetradrachms of Akko-Ptolemais", Israel Numismatic Research, 8, p. 17-23
  2. ^  Lorber, Catharine C. (2018), Coins of the Ptolemaic empire : Part I. Ptolemy I through Ptolemy IV, 2 vol., New York.