Gortyn (Lucullus), silver, tetradrachms (Athena/owl) (87-86 BCE)
From SILVER
87 BCE - 86 BCE Silver 1,428 kg
Description
| Obverse: | Head of Athena Parthenos r., wearing triple-crested Attic helmet decorated with four foreparts of horses and a Pegasus, below, B |
| Reverse: | ΓO – P / TY – NI / Ω – N / ME – A / N (Greek).Owl standing r., head facing, on amphora, in r. field, bull butting r. All within olive wreath |
Mint and issuing power
| Mint: | Gortyn | Ancient region: | Crete | Modern country: Greece | Authority: | Lucullus, Roman Republic |
Chronology
| From | 87 BCE | to | 86 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 15.90 | Denomination: | tetradrachm
|
Standard: | Attic |
Image
References
| Die study reference: | |||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Sear I, n° 3183, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2RQEMH, n° 127 | ||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 2 | 2 | 50 | 4 | 21.05 | 2, 4 |
| 7 | 1 | 25 | 7 | 36.84 | 1 |
| 8 | 1 | 25 | 8 | 42.11 | 5 |
| Total | 4 of 4 | 100 | 19 of 19 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 4 | Number of singletons (o1) ᵖ | 2 |
| Number of reverse dies (r) | 7 | Number of coins (n) | 19 |
| Coins per obverse die (n/o) | 4.75 | Coins per reverse die (n/r) | 2.71 |
| Reverse per obverse ratio (r/o) | 1.75 | Percentage of singletons (o1) ᵖ | 50 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 4.49 | Coins struck if 20,000 as average productivity per die ᵖ | 89,800 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 5.07 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00021 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 89.47% | Die productivity if survival rate 1/2,000 ᵖ | 8,463.25 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 1,428 kg <br /> 1,428 kg | Die productivity if survival rate 1/5,000 ᵖ | 21,158.13 |
Remarks
Most likely one single workstation
