H 149 - Chalcis, silver, hemidrachms (338-308 BCE)
From SILVER
338 BCE - 308 BCE Silver 948 kg
Description
| Obverse: | Head of the nymph Chalkis to right. |
| Reverse: | XA (Greek).Eagle flying upwards with spread wings, pecking at hare held in its talons. |
Mint and issuing power
| Mint: | Chalcis | Ancient region: | Euboea | Modern country: Greece | Authority: |
Chronology
| From | 338 BCE | to | 308 BCE | Period: Classical 480-323 BC  , Hellenistic 323-30 BC
|
Physical description
| Metal: | Silver
|
Median weight in grams | 1.70 | Denomination: | hemidrachm
|
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.]]1Picard 1979 | ||
| 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° 149 | ||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 7 | 28 | 7 | 5.74 | 5/3, 6/2, 7/5, 12, 13, 15, 16 |
| 2 | 6 | 24 | 12 | 9.84 | 5/2, 6/4, 6/1, 7/11, 11/14, 11/1 |
| 4 | 4 | 16 | 16 | 13.11 | 5/1, 7/3, 4, 9 |
| 6 | 2 | 8 | 12 | 9.84 | 7/7, 11/2 |
| 10 | 1 | 4 | 10 | 8.2 | 7/10 |
| 11 | 2 | 8 | 22 | 18.03 | 7/1, 8 |
| 12 | 2 | 8 | 24 | 19.67 | 7/6, 11/3 |
| 19 | 1 | 4 | 19 | 15.57 | 7/2 |
| Total | 25 of 25 | 100 | 122 of 122 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 25 | Number of singletons (o1) ᵖ | 7 |
| Number of reverse dies (r) | 18 | Number of coins (n) | 122 |
| Coins per obverse die (n/o) | 4.88 | Coins per reverse die (n/r) | 6.78 |
| Reverse per obverse ratio (r/o) | 0.72 | Percentage of singletons (o1) ᵖ | 28 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 27.89 | Coins struck if 20,000 as average productivity per die ᵖ | 557,800 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 31.44 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00022 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 94.26% | Die productivity if survival rate 1/2,000 ᵖ | 8,748.66 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 948 kg <br /> 948 kg | Die productivity if survival rate 1/5,000 ᵖ | 21,871.64 |
Remarks
Most likely one single workstation
