Athens, silver, didrachms (Athena/owl in incuse square) (475-449 BCE)
From SILVER
475 BCE - 449 BCE Silver 9,202 kg
Description
| Obverse: | Head of Athena r., wearing crested Attic helmet decorated with three olive leaves and volute, disc-shaped ear-clip and necklace |
| Reverse: | AΘE (Greek).Within incuse round, shallow incuse square, in which owl standing r., head facing, in field r., AΘE, l., two olive leaves, the l. one overlapping the frame |
Mint and issuing power
| Mint: | Athens | Ancient region: | Attica | Modern country: Greece | Authority: |
Chronology
| From | 475 BCE | to | 449 BCE | Period: Classical 480-323 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 8.55 | Denomination: | didrachm
|
Standard: | Attic |
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.]]1Starr 1970, Groups II-IV | ||
| 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° 2522, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3RQEMAC, n° 194, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]4HGC 4, n° 1617 | ||
| Coin series web reference: | |||
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 23 | Number of singletons (o1) ᵖ | 16 |
| Number of reverse dies (r) | 26 | Number of coins (n) | 35 |
| Coins per obverse die (n/o) | 1.52 | Coins per reverse die (n/r) | 1.35 |
| Reverse per obverse ratio (r/o) | 1.13 | Percentage of singletons (o1) ᵖ | 69.57 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 53.81 | Coins struck if 20,000 as average productivity per die ᵖ | 1,076,200 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 67.08 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00003 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 54.29% | Die productivity if survival rate 1/2,000 ᵖ | 1,300.87 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 9,202 kg <br /> 9,202 kg | Die productivity if survival rate 1/5,000 ᵖ | 3,252.18 |
Remarks
References
- ^ Starr, Chester G. (1970), Athenian Coinage 480-449 B.C., Oxford, 97 p., 26 pl.
- ^ Sear, David R. (1978), Greek coins and their values. Vol. I, Europe, London, xl, 316 p.
- ^ Callataÿ, François de (2003), Recueil quantitatif des émissions monétaires archaïques et classiques, Numismatique Romaine, Wetteren, VII + 267 p.
- ^ Hoover, Oliver D. (2014), Handbook of Greek Coinage Series 4. Northern and Central Greece : Achaia Phthiotis, Ainis, Magnesia, Malis, Oita, Perrhaibia, Thessaly, Akarnania, Aitolia, Lokris, Phokis, Boiotia, Euboia, Attica, Megaris and Corinthia, sixth to first centuries BC, Lancaster, lxxi, 563 p.
