Tyre (Ptolemy II), gold, trichrysa (275-274 BCE)
From SILVER
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 
|
Physical description
| MetalThe physical material (usually metal) from which an object is made.: | Gold
|
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: | Roche-Lévêque 20231Roche-Lévêque 2023, p. 39-41 | ||
| Coin series referenceReference to coin series study: | CPE I2CPE 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
