Halicarnassus, silver, tetradrachms (Apollo/eagle) (400-387 BCE)
From SILVER
400 BCE - 387 BCE Silver 1,325 kg
Description
| Obverse: | Head of Apollo, wearing laurel wreath, facing slightly right |
| Reverse: | AΛIKAPNAΣΣ-EΩN (Greek).Eagle standing half-right, wings spread, AΛIKAPNAΣΣ-EΩN around, star to right, all within incuse square |
Mint and issuing power
| Mint: | Halicarnassus | Ancient region: | Caria | Modern country: Turkey | Authority: |
Chronology
| From | 400 BCE | to | 387 BCE | Period: Classical 480-323 BC |
Physical description
| Metal: | Silver |
Median weight in grams | 15.20 | Denomination: | tetradrachm |
Standard: |
Image

References
| Die study reference: | |||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Sear II, n° 4872A | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 2 | 2 | 66.67 | 4 | 57.14 | 1, 2 |
| 3 | 1 | 33.33 | 3 | 42.86 | 3 |
| Total | 3 of 3 | 100 | 7 of 7 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 3 | Number of singletons (o1) ᵖ | 2 |
| Number of reverse dies (r) | 3 | Number of coins (n) | 7 |
| Coins per obverse die (n/o) | 2.33 | Coins per reverse die (n/r) | 2.33 |
| Reverse per obverse ratio (r/o) | 1 | Percentage of singletons (o1) ᵖ | 66.67 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 4.36 | Coins struck if 20,000 as average productivity per die ᵖ | 87,200 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 5.25 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00008 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 71.43% | Die productivity if survival rate 1/2,000 ᵖ | 3,211.01 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 1,325 kg <br /> 1,325 kg | Die productivity if survival rate 1/5,000 ᵖ | 8,027.52 |
Remarks
Most likely one single workstation Likely military 5 specimens known (from sale's catalogues and HN online)
References
- ^ Sear, David R. (1979), Greek coins and their values. Vol. II, Asia and North Africa, London, xlviii, p. 317-762