Gela, silver, tetradrachms (biga/man-headed bull) (430-425 BCE)

From SILVER
SILVER IDUnique ID of the page ᵖ: 7682


430 BCE - 425 BCE Silver 991 kg

Description
ObverseInscription or printing placed on the obverse.: Charioteer driving walking quadriga r., holding kentron and reins, above, wreath,
ReverseInscription or printing placed on the reverse.: CEΛAΣ (Greek).Forepart of man-headed bull r., below heron, all within incuse circle.
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. 430 BCE toIdentifies the final date in a range assigned in a numismatic context.. 425 BCE PeriodTime period of the numismatic object.: Classical 480-323 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 17.20 DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: tetradrachm Nomisma.org StandardStandard.: Attic
Image
]]AC 50 - Gela, silver, tetradrachm, 430-425 BC.jpg [1]
References
Die study referencePublication of the study: "[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Jenkins 1970, p. 249-252, n° 391-400 (groupe VI).
Coin series referenceReference to coin series study: "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2Sear I, n° 796, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3RQEMAC, n° 50, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]4HGC 2, n° 346-347
Coin series web referenceCoin series web references:



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).
9 1 33.33 9 9.28 83
19 1 33.33 19 19.59 81
69 1 33.33 69 71.13 82
Total 3 of 3 99.99 97 of 97 100
Reverse dies distribution

no distribution is available

Quantification
Number of obversesNumber of obverse dies. ᵖ (o) 3 Number of singletons (o1)The number of singleton coins. ᵖ
Number of reverse diesNumber of reverse dies. (r) 7 Number of coinsNumber of coins. (n) 97
Coins per obverse dieNumber of coins per obverse die. (n/o) 32.33 Coins per reverse dieNumber of coins per reverse die. (n/r) 13.86
Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) 2.33 Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ %
Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ 2.88 Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ 57,600
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) 3.1 Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ 0.00168
Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O) % Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ 67,361.11
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 991 kg <br /> 991 kg Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ 168,402.78
Remarks

Most likely one single workstation

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.
  4. ^  Hoover, Oliver D. (2012), The Handbook of Greek Coinage Series. 2. Handbook of the Coins of Sicily (Including Lipara). Civic, Royal, Siculo-Punic, and Romano-Sicilian Issues. Sixth to First Centuries BC, Lancaster-London, 489 p.