Nicomedia (Nicomedes I), silver, tetradrachms (264-255 BCE)
From SILVER
264 BCE - 255 BCE Silver 1,291 kg
Description
| Obverse: | Diademed head r. |
| Reverse: | ΒΑΣΙΛΕΩΣ / ΝΙΚΟΜΕΔΟΥ (Greek).Warrior goddess (Thracian Bendis?) seated l. upon rock, holding spear and sword in its scabbard, a shield at her feet and behind, the stump of a tree. In outer l. field, Nike and in inner l. field, monogram |
Mint and issuing power
| Mint: | Nicomedia | Ancient region: | Bithynia | Modern country: Turkey | Authority: | Kingdom of Bithynia (late 4th c.-74 BC), Nicomedes I of Bithynia (king of Bithynia, c. 278-255 BC) |
Chronology
| From | 264 BCE | to | 255 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 16.90 | Denomination: | tetradrachm
|
Standard: | Attic |
Image
,_silver,_tetradrachms_(264-255_BCE).jpg)
References
| Die study reference: | "[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Dowler 2021, p. 156, Groups 1-3 | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2Sear II, n° 7255, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3HGC 7, n° 606 | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 2 | 1 | 33.33 | 2 | 22.22 | 1 |
| 3 | 1 | 33.33 | 3 | 33.33 | 3 |
| 4 | 1 | 33.33 | 4 | 44.44 | 2 |
| Total | 3 of 3 | 99.99 | 9 of 9 | 99.99 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 3 | Number of singletons (o1) ᵖ | |
| Number of reverse dies (r) | 5 | Number of coins (n) | 9 |
| Coins per obverse die (n/o) | 3 | Coins per reverse die (n/r) | 1.8 |
| Reverse per obverse ratio (r/o) | 1.67 | Percentage of singletons (o1) ᵖ | % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 3.82 | Coins struck if 20,000 as average productivity per die ᵖ | 76,400 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 4.5 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00012 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | % | Die productivity if survival rate 1/2,000 ᵖ | 4,712.04 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 1,291 kg <br /> 1,291 kg | Die productivity if survival rate 1/5,000 ᵖ | 11,780.1 |
Remarks
Most likely one single workstation Likely military
References
- ^ Dowler, Amelia (2021), "The New Mint under Nicomedes I (c. 278-255 BC)," in A. Meadows and U. Wartenberg (eds.), Presbeus. Studies in Ancient Coinage Presented to Richard Ashton, New York, p. 153-171.
- ^ Sear, David R. (1979), Greek coins and their values. Vol. II, Asia and North Africa, London, xlviii, p. 317-762
- ^ 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.
