Calchedon and Byzantium, bronze (8.8g) (Demeter/Poseidon) (300-200 BCE)
From SILVER
300 BCE - 200 BCE Bronze
Description
| Obverse: | Veiled head of Demeter to right. |
| Reverse: | ΚΑΛΧΑΔ BYZANT (Greek).Poseidon seated to right, holding aphlaston and trident, ΒΥΞΑN to right, ΚΑΛΧΑ to left, HP monogram to inner right field. |
Mint and issuing power
| Mint: | Byzantium | Ancient region: | Thrace | Modern country: Turkey | Authority: |
Chronology
| From | 300 BCE | to | 200 BCE | Period: Hellenistic 323-30 BC |
Physical description
| Metal: | Bronze |
Median weight in grams | 8.80 | 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, p. 148-149, n° 1257-1282 | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2Sear I, n° 3753, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3RQEMH, n° 197, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]4HGC 3.2, n° 1428 | ||
| Coin series web reference: | |||
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 23 | Number of singletons (o1) ᵖ | 21 |
| Number of reverse dies (r) | 26 | Number of coins (n) | 26 |
| Coins per obverse die (n/o) | 1.13 | Coins per reverse die (n/r) | 1 |
| Reverse per obverse ratio (r/o) | 1.13 | Percentage of singletons (o1) ᵖ | 91.3 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 148.28 | Coins struck if 20,000 as average productivity per die ᵖ | 2,965,600 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 199.33 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00001 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 19.23% | Die productivity if survival rate 1/2,000 ᵖ | 350.69 |
| 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 | 876.72 |
Remarks
References
- ^ Schönert-Geiss, Edith (1970), Die Münzprägung von Byzantion. Teil 1: Autonome Zeit, Berlin.
- ^ Sear, David R. (1978), Greek coins and their values. Vol. I, Europe, London, xl, 316 p.
- ^ Callataÿ, François de (1997), Recueil quantitatif des émissions monétaires hellénistiques, Numismatique Romaine, Wetteren, X + 341 p.
- ^ Hoover, Oliver D. (2017), Handbook of Coins of Macedon and Its Neighbors. 3. Part 2: Thrace, Skythia, and Taurike, Sixth to First Centuries BC, Lancaster-London, xix, 232 p.