Dia (Mithridates Eupator), bronze (8.2g) (Zeus/eagle on thunderbolt) (73-72 BCE)
From SILVER
73 BCE - 72 BCE Bronze
Description
| Obverse: | Laureate head of Zeus right. |
| Reverse: | ΔΙΑΣ (Greek).Eagle, with head right and wings spread, standing left on thunderbolt, monogram to left. |
Mint and issuing power
| Mint: | Dia | Ancient region: | Bithynia | Modern country: Turkey | Authority: | Mithridates VI Eupator (king of the Pontic kingdom, c. 120-63 BC), Pontic kingdom |
Chronology
| From | 73 BCE | to | 72 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Bronze
|
Median weight in grams | 8.0 | Denomination: | tetrachalkon
|
Standard: |
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.]]1HGC 7, n° 453 | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 2 | 3 | 16.67 | 6 | 2.22 | 1, 15, 18 |
| 3 | 2 | 11.11 | 6 | 2.22 | 4, 6 |
| 4 | 3 | 16.67 | 12 | 4.44 | 2, 9, 10 |
| 5 | 1 | 5.56 | 5 | 1.85 | 17 |
| 8 | 1 | 5.56 | 8 | 2.96 | 11 |
| 19 | 3 | 16.67 | 57 | 21.11 | 7, 8, 14 |
| 21 | 1 | 5.56 | 21 | 7.78 | 16 |
| 26 | 1 | 5.56 | 26 | 9.63 | 5 |
| 31 | 1 | 5.56 | 31 | 11.48 | 12 |
| 33 | 1 | 5.56 | 33 | 12.22 | 3 |
| 65 | 1 | 5.56 | 65 | 24.07 | 13 |
| Total | 18 of 18 | 100.04 | 270 of 270 | 99.98 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 18 | Number of singletons (o1) ᵖ | 0 |
| Number of reverse dies (r) | 116 | Number of coins (n) | 270 |
| Coins per obverse die (n/o) | 15 | Coins per reverse die (n/r) | 2.33 |
| Reverse per obverse ratio (r/o) | 6.44 | Percentage of singletons (o1) ᵖ | 0 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 17.77 | Coins struck if 20,000 as average productivity per die ᵖ | 355,400 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 19.29 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00076 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 100% | Die productivity if survival rate 1/2,000 ᵖ | 30,388.29 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | n.a. | Die productivity if survival rate 1/5,000 ᵖ | 75,970.74 |
Remarks
Most likely one single workstation Likely military
References
- ^ Hoover, Oliver D. (2012), Handbook of Greek Coinages. 7. Coins of northern and Central Anatolia - Pontos, Paphlagonia, Bithynia, Phrygia, Galatia, lykaonia, and Kappadokia (with Kolchis and the Kimmerian bosporos), Lancaster, lxxxii, 352 p. : ill. ; 23 cm.
