Messana, bronze, tetrantes (Poseidon/trident between dolphins) (338-275 BCE)
From SILVER
338 BCE - 275 BCE Bronze
Description
| Obverse: | ΠOΣEI-ΔAN around (Greek).Head of Poseidon left, wearing laurel wreath |
| Reverse: | MEΣΣΑΝΙΩΝ (Greek).Ornate trident head, dolphins downward at sides |
Mint and issuing power
| Mint: | Messana | Ancient region: | Sicily | Modern country: Italy | Authority: |
Chronology
| From | 338 BCE | to | 275 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Bronze
|
Median weight in grams | 3.55 | Denomination: | tetras | 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.]]1Caccamo Caltabiano 1993, n° 751-756. | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2RQEMH, n° 25, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3HGC 2, n° 840 | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 2 | 40 | 2 | 18.18 | 22, 24 |
| 2 | 1 | 20 | 2 | 18.18 | 21 |
| 3 | 1 | 20 | 3 | 27.27 | 20 |
| 4 | 1 | 20 | 4 | 36.36 | 23 |
| Total | 5 of 5 | 100 | 11 of 11 | 99.99 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 5 | Number of singletons (o1) ᵖ | 2 |
| Number of reverse dies (r) | 6 | Number of coins (n) | 11 |
| Coins per obverse die (n/o) | 2.2 | Coins per reverse die (n/r) | 1.83 |
| Reverse per obverse ratio (r/o) | 1.2 | Percentage of singletons (o1) ᵖ | 40 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 7.55 | Coins struck if 20,000 as average productivity per die ᵖ | 151,000 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 9.17 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00007 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 81.82% | Die productivity if survival rate 1/2,000 ᵖ | 2,913.91 |
| 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 | 7,284.77 |
Remarks
Most likely one single workstation
References
- ^ Caccamo Caltabiano, Maria (1993), La monetazione di Messana. Con le emissioni di Rhegion dell’eta della tirannide, AMUGS XIII, Berlin-New York, xviii, 383 p., 94 pl.
- ^ Callataÿ, François de (1997), Recueil quantitatif des émissions monétaires hellénistiques, Numismatique Romaine, Wetteren, X + 341 p.
- ^ Hoover, Oliver D. (2012), The Handbook of Greek Coinage Series. 2. Handbook of the Coins of Sicily (Including Lipara). Civic, Royal, Siculo-Punic, and Romano-Sicilian Issues. Sixth to First Centuries BC, Lancaster-London, 489 p.
