Cyprus (uncertain mint) (Ptolemy I-II), gold, trichrysa (294-274 BCE)
From SILVER
294 BCE - 274BCE Gold 72,078 kg
Description
| ObverseInscription or printing placed on the obverse.: | Diademed head of Ptolemy I right, wearing aegis around neck, small Δ behind ear |
| ReverseInscription or printing placed on the reverse.: | BAΣIΛEΩΣ ΠTOΛEMAIOY (Greek).Eagle standing to left on thunderbolt, around, ΣT above monogram in left field |
Mint and issuing power
| MintIdentifies the place of manufacture or issue of a numismatic object.: | Cyprus (uncertain mint) | Ancient regionAncient region.: | Cyprus | Modern countryModern country: Greece | 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 I Soter (satrap and Ptolemaic king of Egypt, 323-305 BC), Ptolemy II Philadelphus (Ptolemaic king, 283-246 BC) |
Chronology
| FromIdentifies the initial date in a range assigned in a numismatic context. | 294 BCE | toIdentifies the final date in a range assigned in a numismatic context.. | 274BCE | PeriodTime period of the numismatic object.: Hellenistic 323-30 BC 
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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
Cyprus_uncertain_trichrysa_Ptolemy_I.jpg [1]
References
| Die study referencePublication of the study: | Roche-Lévêque 20231Roche-Lévêque 2023, p. 33-34 | ||
| Coin series referenceReference to coin series study: | CPE I2CPE I, n° 221, 223, 226, 234, 238 | ||
| 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 | 6 | 40 | 6 | 15 | 36, 37, 41, 45, 47, 49 |
| 2 | 2 | 13.33 | 4 | 10 | 40, 46 |
| 3 | 4 | 26.67 | 12 | 30 | 38, 39, 44, 48 |
| 5 | 2 | 13.33 | 10 | 25 | 43, 70 |
| 8 | 1 | 6.67 | 8 | 20 | 42 |
| Total | 15 of 15 | 100 | 40 of 40 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obversesNumber of obverse dies. ᵖ (o) | 15 | Number of singletons (o1)The number of singleton coins. ᵖ | 6 |
| Number of reverse diesNumber of reverse dies. (r) | 27 | Number of coinsNumber of coins. (n) | 40 |
| Coins per obverse dieNumber of coins per obverse die. (n/o) | 2.67 | Coins per reverse dieNumber of coins per reverse die. (n/r) | 1.48 |
| Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) | 1.8 | Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ | 40 % |
| Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ | 20.19 | Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ | 403,800 |
| 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 | 0.00010 |
| Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O) | 85% | Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ | 3,962.36 |
| 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 | 72,078 kg <br /> 72,078 kg | Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ | 9,905.89 |
Remarks
Most likely one single workstation Likely military
