Alexandria (Ptolemy I), gold, 10th trichrysa (294-282 BCE)
From SILVER
294 BCE - 282 BCE Gold 16,513 kg
Description
| Obverse: | Diademed head of Ptolemy I to right, wearing aegis around neck |
| Reverse: | ΠΤΟΛΕΜΑΙΟΥ ΒΑΣΙΛΕΩΣ (Greek).Eagle standing left on thunderbolt, Λ to left. |
Mint and issuing power
| Mint: | Alexandria | Ancient region: | Egypt | Modern country: Egypt | Authority: | Ptolemaic dynasty (323-30 BC), Ptolemy I Soter (satrap and Ptolemaic king of Egypt, 323-305 BC) |
Chronology
| From | 294 BCE | to | 282 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Gold
|
Median weight in grams | 1.75 | Denomination: | 10th trichryson | Standard: | Ptolemaic |
Image
References
| Die study reference: | "[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Roche-Lévêque 2023, p. 41-46 | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2CPE I, n° 129, 134, 139, 144, 149, A155, 172 | ||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 11 | 26.19 | 11 | 5.56 | 118, 125, 126, 130, 131, 132, 134, 135, 137, 138, 139 |
| 2 | 8 | 19.05 | 16 | 8.08 | 114, 115, 116, 120, 123, 124, 129, 136 |
| 3 | 6 | 14.29 | 18 | 9.09 | 111, 117, 121, 122, 128, 133 |
| 4 | 4 | 9.52 | 16 | 8.08 | 103, 113, 119, 127 |
| 6 | 1 | 2.38 | 6 | 3.03 | 110 |
| 7 | 1 | 2.38 | 7 | 3.54 | 112 |
| 8 | 2 | 4.76 | 16 | 8.08 | 107, 109 |
| 9 | 3 | 7.14 | 27 | 13.64 | 104, 106, 108 |
| 10 | 1 | 2.38 | 10 | 5.05 | 105 |
| 13 | 2 | 4.76 | 26 | 13.13 | 99, 102 |
| 14 | 2 | 4.76 | 28 | 14.14 | 100, 101 |
| 17 | 1 | 2.38 | 17 | 8.59 | 98 |
| Total | 42 of 42 | 99.99 | 198 of 198 | 100.01 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 42 | Number of singletons (o1) ᵖ | |
| Number of reverse dies (r) | 43 | Number of coins (n) | 198 |
| Coins per obverse die (n/o) | 4.71 | Coins per reverse die (n/r) | 4.6 |
| Reverse per obverse ratio (r/o) | 1.02 | Percentage of singletons (o1) ᵖ | % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 47.18 | Coins struck if 20,000 as average productivity per die ᵖ | 943,600 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 53.31 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00021 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | % | Die productivity if survival rate 1/2,000 ᵖ | 8,393.39 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 16,513 kg <br /> 16,513 kg | Die productivity if survival rate 1/5,000 ᵖ | 20,983.47 |
Remarks
Most likely one single workstation Likely military
