Athens, silver, didrachms (Wappenmünzen) (545-515 BCE)
From SILVER
545 BCE - 515 BCE Silver 9,527 kg
Description
| Obverse: | Gorgoneion facing with open mouth and protruding tongue |
| Reverse: | Quadripartite incuse square, diagonally divided |
Mint and issuing power
| Mint: | Athens | Ancient region: | Attica | Modern country: Greece | Authority: |
Chronology
| From | 545 BCE | to | 515 BCE | Period: Archaic until 480 BC |
Physical description
| Metal: | Silver |
Median weight in grams | 8.45 | 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.]]1Seltman 1924, Groups B and D | ||
| 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° 1829, 1832, 1834, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3RQEMAC, n° 189 | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 19 | 46.34 | 19 | 18.1 | 7, 8, 9, 10, 11, 12, 13, 14, 17, 19, 21, 22, 23, 25, 27, 28, 51, 52, 53 |
| 2 | 7 | 17.07 | 14 | 13.33 | 18, 20, 24, 30, 50, 57, 59 |
| 3 | 4 | 9.76 | 12 | 11.43 | 15, 16, 46, 58 |
| 4 | 3 | 7.32 | 12 | 11.43 | 6, 54, 60 |
| 5 | 2 | 4.88 | 10 | 9.52 | 26, 49 |
| 6 | 5 | 12.2 | 30 | 28.57 | 29, 47, 48, 56, 61 |
| 8 | 1 | 2.44 | 8 | 7.62 | 55 |
| Total | 41 of 41 | 100.01 | 105 of 105 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 41 | Number of singletons (o1) ᵖ | 19 |
| Number of reverse dies (r) | 40 | Number of coins (n) | 105 |
| Coins per obverse die (n/o) | 2.56 | Coins per reverse die (n/r) | 2.63 |
| Reverse per obverse ratio (r/o) | 0.98 | Percentage of singletons (o1) ᵖ | 46.34 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 56.37 | Coins struck if 20,000 as average productivity per die ᵖ | 1,127,400 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 67.27 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00009 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 81.9% | Die productivity if survival rate 1/2,000 ᵖ | 3,725.39 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 9,527 kg <br /> 9,527 kg | Die productivity if survival rate 1/5,000 ᵖ | 9,313.46 |
Remarks
References
- ^ Seltman, Charles T. (1924), Athens. Its History and Coinage before the Persian, Cambridge, 228 p., 24 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.