AC 44 - Gela, silver, didrachms (490-475 BCE)

From SILVER
SILVER IDUnique ID of the page : 7609


490 BCE - 475 BCE Silver 4,991 kg

Description
ObverseInscription or printing placed on the obverse.: Bearded horseman, nude, riding a horse galloping to right, brandishing spear in his upraised right hand and holding the reins in his left.
ReverseInscription or printing placed on the reverse.: CEΛA(Σ) (Greek).Forepart of man-headed bull to right.
Mint and issuing power
MintIdentifies the place of manufacture or issue of a numismatic object.: Gela Ancient regionAncient region.: Sicily Modern countryModern country: Italy 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. 490 BCE toIdentifies the final date in a range assigned in a numismatic context.. 475 BCE PeriodTime period of the numismatic object.: Archaic until 480 BC Nomisma.org
Physical description
MetalThe physical material (usually metal) from which an object is made.: Silver Nomisma.org Median weightMedian of the weights of numismatic objects (in grams). in grams 8.65 DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: didrachm Nomisma.org StandardStandard.: Attic
Image
AC 44 - Gela, silver, didrachm, 490-475 BC.jpg [1]
References
Die study referencePublication of the study: Jenkins 19701Jenkins 1970, p. 177-199, n° 1-100 (Group I)
Coin series referenceReference to coin series study: Sear I2Sear I, n° 713, RQEMAC3RQEMAC, n° 44
Coin series web referenceCoin series web references:



Obverse dies distribution
FrequencyFrequency of specimen in distribution.  Number of obversesNumber of obverse dies.  (o) % (o) Number of coinsNumber of coins. (n) % (n) Die nameName(s) of the die(s).
1 1 3.33 1 0.11 23
3 2 6.67 6 0.69 15, 19
5 1 3.33 5 0.57 10
9 1 3.33 9 1.03 8
10 1 3.33 10 1.15 25
12 1 3.33 12 1.38 1
14 1 3.33 14 1.61 26
15 4 13.33 60 6.9 4, 12, 14, 27
18 1 3.33 18 2.07 3
19 1 3.33 19 2.18 18
21 1 3.33 21 2.41 16
25 1 3.33 25 2.87 5
28 1 3.33 28 3.22 28
29 1 3.33 29 3.33 20
31 1 3.33 31 3.56 17
36 1 3.33 36 4.14 6
39 3 10 117 13.45 2, 13, 21
40 1 3.33 40 4.6 24
42 1 3.33 42 4.83 29
48 1 3.33 48 5.52 22
52 1 3.33 52 5.98 30
60 1 3.33 60 6.9 11
88 1 3.33 88 10.11 7
99 1 3.33 99 11.38 9
Total 30 of 30 99.93 870 of 870 99.99
Reverse dies distribution

no distribution is available


Quantification
Number of obversesNumber of obverse dies.  (o) 30 Number of singletons (o1)The number of singleton coins.  1
Number of reverse diesNumber of reverse dies. (r) 55 Number of coinsNumber of coins. (n) 870
Coins per obverse dieNumber of coins per obverse die. (n/o) 29 Coins per reverse dieNumber of coins per reverse die. (n/r) 15.82
Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) 1.83 Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1)  3.33 %
Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983  28.85 Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000.  577,000
Original number of dies (O) (Esty 2011 formula)The estimation of the number of coins according to the singleton formula in Esty 2011  (O) 31.07 Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000.  0.00151
Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O)  (o = % of O) 99.89% Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000.  60,311.96
Weight of silver (in kg) if 20,000 coins per die (O = Carter formula)Carter 1983 * Median weight * 20000 (*10 if gold or electrum)  4,991 kg <br /> 4,991 kg Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000.  150,779.9
Remarks

Most likely more than 2 workstations

References

  1. ^  Jenkins, Gilbert Kenneth (1970), The Coinage of Gela, AMUGS II, 2 vol., Berlin
  2. ^  Sear, David R. (1978), Greek coins and their values. Vol. I, Europe, London, xl, 316 p.
  3. ^  Callataÿ, François de (2003), Recueil quantitatif des émissions monétaires archaïques et classiques, Numismatique Romaine, Wetteren, VII + 267 p.