Tyre (Ptolemy II), gold, trichrysa (Ptolemy I/eagle on thunderbolt) (275-274 BCE)

From SILVER
SILVER IDUnique ID of the page ᵖ: 21866


275 BCE - 274 BCE Gold 74,863 kg

Description
ObverseInscription or printing placed on the obverse.: Diademed head of Ptolemy I to right, wearing aegis around neck
ReverseInscription or printing placed on the reverse.: ΠΤΟΛΕΜΑΙΟΥ ΒΑΣΙΛΕΩΣ (Greek).Eagle, with closed wings, standing l. on thunderbolt, in l. field, monogram
Mint and issuing power
MintIdentifies the place of manufacture or issue of a numismatic object.: Tyre Ancient regionAncient region.: Phoenicia Modern countryModern country: Lebanon 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), Ptolemy I Soter (satrap and Ptolemaic king of Egypt, 323-305 BC)
Chronology
FromIdentifies the initial date in a range assigned in a numismatic context. 275 BCE toIdentifies the final date in a range assigned in a numismatic context.. 274 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 17.85 DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: trichryson StandardStandard.: Ptolemaic
Image
]]Tyre_Ptolemy_II_trichrysa.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.]]1Roche-Lévêque 2023, p. 39-41
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, 551, 553, 555, 557, 559, 560
Coin series web referenceCoin series web references:



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 7 38.89 7 9.72 52, 83, 84, 91, 92, 94, 95
2 1 5.56 2 2.78 90
3 2 11.11 6 8.33 51, 82
4 1 5.56 4 5.56 89
5 4 22.22 20 27.78 87, 88, 93, 97
8 1 5.56 8 11.11 96
12 1 5.56 12 16.67 85
13 1 5.56 13 18.06 86
Total 18 of 18 100.02 72 of 72 100.01
Reverse dies distribution

no distribution is available

Quantification
Number of obversesNumber of obverse dies. ᵖ (o) 18 Number of singletons (o1)The number of singleton coins. ᵖ 7
Number of reverse diesNumber of reverse dies. (r) 41 Number of coinsNumber of coins. (n) 72
Coins per obverse dieNumber of coins per obverse die. (n/o) 4 Coins per reverse dieNumber of coins per reverse die. (n/r) 1.76
Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) 2.28 Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ 38.89 %
Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ 20.97 Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ 419,400
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) 24 Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ 0.00017
Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O) 90.28% Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ 6,866.95
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 74,863 kg <br /> 74,863 kg Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ 17,167.38
Remarks

Most likely one single workstation Likely military

References

  1. ^  Roche-Lévêque, Augustin (2023), “και τα τρίχρυσα”. Etude numismatique et historique des trichrysa ptolémaïques", Revue Numismatique, 180, p. 9-59.
  2. ^  Lorber, Catharine C. (2018), Coins of the Ptolemaic empire : Part I. Ptolemy I through Ptolemy IV, 2 vol., New York.