Byzantium, bronze (3g) (Athena/three dolphins) (350-300 BCE)
From SILVER
350 BCE - 300 BCE Bronze
Description
| Obverse: | Head of Athena, right, wearing Corinthian helmet. |
| Reverse: | Monogram (Greek).Three dolphins. |
Mint and issuing power
| Mint: | Byzantium | Ancient region: | Thrace | Modern country: Turkey | Authority: |
Chronology
| From | 350 BCE | to | 300 BCE | Period: Hellenistic 323-30 BC |
Physical description
| Metal: | Bronze |
Median weight in grams | 3.00 | Denomination: | Standard: |
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.]]1Schönert-Geiss 1970, n° 946-950 | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2HGC 3.2, n° 1424 | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 3 | 75 | 3 | 60 | A1, A2, B1 |
| 2 | 1 | 25 | 2 | 40 | A3 |
| Total | 4 of 4 | 100 | 5 of 5 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 4 | Number of singletons (o1) ᵖ | 3 |
| Number of reverse dies (r) | 5 | Number of coins (n) | 5 |
| Coins per obverse die (n/o) | 1.25 | Coins per reverse die (n/r) | 1 |
| Reverse per obverse ratio (r/o) | 1.25 | Percentage of singletons (o1) ᵖ | 75 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 15.6 | Coins struck if 20,000 as average productivity per die ᵖ | 312,000 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 20 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00002 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 40% | Die productivity if survival rate 1/2,000 ᵖ | 641.03 |
| 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 | 1,602.56 |
Remarks