H 150 - Chalcis, silver, drachms (290-273/1 BCE)
From SILVER
290 BCE - 271 BCE Silver 5,684 kg
Description
| ObverseInscription or printing placed on the obverse.: | Head of the nymph Chalkis to right, wearing triple-pendant earring and pearl necklace. |
| ReverseInscription or printing placed on the reverse.: | XAΛ (Greek).Eagle flying upward to right, clutching serpent in beak and talons, to right, trophy. |
Mint and issuing power
| MintIdentifies the place of manufacture or issue of a numismatic object.: | Chalcis | Ancient regionAncient region.: | Euboea | Modern countryModern country: Greece | AuthorityIdentifies the issuing power. The authority can be "pretended" when the name or the portrait of X is on the coin but he/she was not the issuing power. It can also be "uncertain" when there is no mention of X on the coin but he/she was the issuing power according to the historical sources: |
Chronology
| FromIdentifies the initial date in a range assigned in a numismatic context. | 290 BCE | toIdentifies the final date in a range assigned in a numismatic context.. | 271 BCE | PeriodTime period of the numismatic object.: Hellenistic 323-30 BC 
|
Physical description
| MetalThe physical material (usually metal) from which an object is made.: | Silver
|
Median weightMedian of the weights of numismatic objects (in grams). in grams | 3.50 | DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: | drachma
|
StandardStandard.: |
Image
H150 Chalcis eagle snake.jpeg [1]
References
| Die study referencePublication of the study: | Picard 19791Picard 1979 | ||
| Coin series referenceReference to coin series study: | RQEMH2RQEMH, n° 150 | ||
Obverse dies distribution
| FrequencyFrequency of specimen in distribution. ᵖ | Number of obversesNumber of obverse dies. ᵖ (o) | % (o) | Number of coinsNumber of coins. (n) | % (n) | Die nameName(s) of the die(s). |
| 1 | 17 | 22.67 | 17 | 3.91 | 26/7, 27/9, 27/4, 29/6, 29/7, 29/2, 30/10, 30/13, 15, 17, 22, 26, 27, 35, 36, 37, 38 |
| 2 | 5 | 6.67 | 10 | 2.3 | 28/2, 29/8, 30/16, 25, 30 |
| 3 | 12 | 16 | 36 | 8.28 | 25/1, 26/2, 26/3, 26/8, 27/1, 29/3, 29/5, 30/1, 23, 33, 34 |
| 4 | 4 | 5.33 | 16 | 3.68 | 29/9, 30/21, 28, 29 |
| 5 | 5 | 6.67 | 25 | 5.75 | 27/2, 28/1, 29/7, 30/18, 19 |
| 6 | 8 | 10.67 | 48 | 11.03 | 26/5, 29/6, 29/1, 30/4, 30/6, 30/11, 30/14, 31 |
| 7 | 3 | 4 | 21 | 4.83 | 29/3, 30/3, 11 |
| 8 | 2 | 2.67 | 16 | 3.68 | 30/7, 12 |
| 9 | 2 | 2.67 | 18 | 4.14 | 30/10, 20 |
| 10 | 2 | 2.67 | 20 | 4.6 | 26/1, 30/4 |
| 11 | 4 | 5.33 | 44 | 10.11 | 26/2, 30/14, 30/5, 24 |
| 12 | 3 | 4 | 36 | 8.28 | 26/12, 30/9, 32 |
| 13 | 3 | 4 | 39 | 8.97 | 26/3, 30/13, 30/2 |
| 14 | 2 | 2.67 | 28 | 6.44 | 26/4, 30/8 |
| 15 | 1 | 1.33 | 15 | 3.45 | 26/10 |
| 22 | 1 | 1.33 | 22 | 5.06 | 30/6 |
| 24 | 1 | 1.33 | 24 | 5.52 | 26/11 |
| Total | 75 of 75 | 100.01 | 435 of 435 | 100.03 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obversesNumber of obverse dies. ᵖ (o) | 75 | Number of singletons (o1)The number of singleton coins. ᵖ | 17 |
| Number of reverse diesNumber of reverse dies. (r) | 83 | Number of coinsNumber of coins. (n) | 435 |
| Coins per obverse dieNumber of coins per obverse die. (n/o) | 5.8 | Coins per reverse dieNumber of coins per reverse die. (n/r) | 5.24 |
| Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) | 1.11 | Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ | 22.67 % |
| Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ | 81.2 | Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ | 1,624,000 |
| Original number of dies (O) (Esty 2011 formula)The estimation of the number of coins according to the singleton formula in Esty 2011 ᵖ (O) | 90.63 | Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ | 0.00027 |
| Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O) | 96.09% | Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ | 10,714.29 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula)Carter 1983 * Median weight * 20000 (*10 if gold or electrum) ᵖ | 5,684 kg <br /> 5,684 kg | Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ | 26,785.71 |
Remarks
