290 BCE - 271 BCE Silver 5,684 kg
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| ObverseInscription or printing placed on the obverse.:
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Head of the nymph Chalkis to right, wearing triple-pendant earring and pearl necklace.
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| ReverseInscription or printing placed on the reverse.:
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XAΛ (Greek).Eagle flying upward to right, clutching serpent in beak and talons, to right, trophy.
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Mint and issuing power
| MintIdentifies the place of manufacture or issue of a numismatic object.:
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Chalcis
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Ancient regionAncient region.:
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Euboea
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Modern countryModern country: Greece
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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:
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Chronology
| FromIdentifies the initial date in a range assigned in a numismatic context.
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290 BCE
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toIdentifies the final date in a range assigned in a numismatic context..
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271 BCE
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PeriodTime period of the numismatic object.: Hellenistic 323-30 BC 
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Physical description
| MetalThe physical material (usually metal) from which an object is made.:
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Silver
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Median weightMedian of the weights of numismatic objects (in grams). in grams
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3.50
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DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.:
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drachma
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StandardStandard.:
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| FrequencyFrequency of specimen in distribution. ᵖ
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Number of obversesNumber of obverse dies. ᵖ (o)
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% (o)
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Number of coinsNumber of coins. (n)
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% (n)
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Die nameName(s) of the die(s).
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| 1
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17
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22.67
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17
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3.91
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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
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| 2
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5
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6.67
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10
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2.3
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28/2, 29/8, 30/16, 25, 30
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| 3
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12
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16
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36
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8.28
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25/1, 26/2, 26/3, 26/8, 27/1, 29/3, 29/5, 30/1, 23, 33, 34
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| 4
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4
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5.33
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16
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3.68
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29/9, 30/21, 28, 29
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| 5
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5
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6.67
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25
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5.75
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27/2, 28/1, 29/7, 30/18, 19
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| 6
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8
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10.67
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48
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11.03
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26/5, 29/6, 29/1, 30/4, 30/6, 30/11, 30/14, 31
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| 7
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3
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4
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21
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4.83
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29/3, 30/3, 11
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| 8
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2
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2.67
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16
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3.68
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30/7, 12
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| 9
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2
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2.67
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18
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4.14
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30/10, 20
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| 10
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2
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2.67
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20
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4.6
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26/1, 30/4
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| 11
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4
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5.33
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44
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10.11
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26/2, 30/14, 30/5, 24
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| 12
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3
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4
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36
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8.28
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26/12, 30/9, 32
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| 13
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3
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4
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39
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8.97
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26/3, 30/13, 30/2
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| 14
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2
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2.67
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28
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6.44
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26/4, 30/8
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| 15
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1
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1.33
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15
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3.45
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26/10
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| 22
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1
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1.33
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22
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5.06
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30/6
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| 24
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1
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1.33
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24
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5.52
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26/11
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| Total
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75 of 75
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100.01
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435 of 435
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100.03
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Expand
no distribution is available
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| Number of obversesNumber of obverse dies. ᵖ (o)
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75
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Number of singletons (o1)The number of singleton coins. ᵖ
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17
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| Number of reverse diesNumber of reverse dies. (r)
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83
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Number of coinsNumber of coins. (n)
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435
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| Coins per obverse dieNumber of coins per obverse die. (n/o)
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5.8
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Coins per reverse dieNumber of coins per reverse die. (n/r)
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5.24
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| Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o)
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1.11
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Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ
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22.67 %
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| Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ
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81.2
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Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ
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1,624,000
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| 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)
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90.63
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Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ
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0.00027
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| Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O)
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96.09%
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Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ
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10,714.29
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| 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
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5,684 kg <br /> 5,684 kg
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Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ
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26,785.71
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References
- ^ Picard, Olivier (1979), Chalcis et la confédération eubéenne. Etude de numismatique et d'histoire (IVe-Ier siècle), Paris, 1979.
- ^ Callataÿ, François de (1997), Recueil quantitatif des émissions monétaires hellénistiques, Numismatique Romaine, Wetteren, X + 341 p.
H 150 - Chalcis, silver, drachms (290-273/1 BCE)
