478 BCE - 466 BCE Silver 901 kg
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| ObverseInscription or printing placed on the obverse.:
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Diademed head of Arethusa r.
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| ReverseInscription or printing placed on the reverse.:
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Wheel of four spokes
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Mint and issuing power
| MintIdentifies the place of manufacture or issue of a numismatic object.:
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Syracuse
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Ancient regionAncient region.:
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Sicily
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Modern countryModern country: Italy
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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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Hieron I of Syracuse
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Chronology
| FromIdentifies the initial date in a range assigned in a numismatic context.
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478 BCE
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toIdentifies the final date in a range assigned in a numismatic context..
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466 BCE
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PeriodTime period of the numismatic object.: Archaic and Classical
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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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0.65
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DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.:
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obol
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StandardStandard.:
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Attic
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AC 92 - Syracuse, silver, obols (485-479 BCE).jpg
[1]
References
| Die study referencePublication of the study:
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Boehringer 19291Boehringer 1929, p. 167, n° 286-291, p. 182-183, n° 362-370 et p. 188-190, n° 392-407.
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| Coin series referenceReference to coin series study:
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Sear I2Sear I, n° 917 and 922, RQEMAC3RQEMAC, n° 92, HGC 24HGC 2, n° 1371
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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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13
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86.67
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13
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72.22
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133, 134, 135, 138, 179, 180, 181, 182, 183, 184, 185, 186, 187
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| 2
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1
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6.67
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2
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11.11
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137
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| 3
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1
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6.67
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3
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16.67
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136
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| Total
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15 of 15
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100.01
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18 of 18
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100
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no distribution is available
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| Number of obversesNumber of obverse dies. ᵖ (o)
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15
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Number of singletons (o1)The number of singleton coins. ᵖ
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13
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| Number of reverse diesNumber of reverse dies. (r)
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15
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Number of coinsNumber of coins. (n)
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18
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| Coins per obverse dieNumber of coins per obverse die. (n/o)
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1.2
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Coins per reverse dieNumber of coins per reverse die. (n/r)
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1.2
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| Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o)
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1
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Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ
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86.67 %
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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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69.28
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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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1,385,600
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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
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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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0.00001
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| Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O)
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27.78%
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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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519.63
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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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901 kg <br /> 901 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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1,299.08
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AC 92 - Syracuse, silver, obols (478-466 BCE).jpg)
