S 968 - Bactria (uncertain mint) (Seleucus I), silver, tetradrachms (290-280 BCE)
From SILVER
290 BCE - 280 BCE Silver 1,357 kg
Description
| ObverseInscription or printing placed on the obverse.: | Head of Zeus right, wearing laurel wreath. Border of dots. |
| ReverseInscription or printing placed on the reverse.: | ΒΑΣΙΛΕΩΣ ΣΕΛΕΥΚΟΥ (Greek).Athena, brandishing spear overhead in her right hand and holding shield in her left, standing right in biga of elephants moving to right, above to right, spearhead, before elephants, monogram of MΩ |
Mint and issuing power
| MintIdentifies the place of manufacture or issue of a numismatic object.: | Bactria (uncertain mint) | Ancient regionAncient region.: | Bactria | Modern countryModern country: Afghanistan | 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: | Seleucus I Nicator (satrap in 321-305 BC and Seleucid king in 305-281 BC), Seleucid Dynasty (312-63 BC) |
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.. | 280 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 | 16.80 | DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: | tetradrachm
|
StandardStandard.: | Attic |
Image
S968 Bactria Seleucus tetradrachms.jpg [1]
References
| Die study referencePublication of the study: | Kritt 19961Kritt 1996, p. 4-10, n° 6, 17-19, 27-28, 43-43A | ||
| Coin series referenceReference to coin series study: | SC I2SC I, n° 177 | ||
| 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). |
| 2 | 2 | 66.67 | 4 | 50 | 2, 3 |
| 4 | 1 | 33.33 | 4 | 50 | 1 |
| Total | 3 of 3 | 100 | 8 of 8 | 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) | 5 | Number of coinsNumber of coins. (n) | 8 |
| Coins per obverse dieNumber of coins per obverse die. (n/o) | 2.67 | Coins per reverse dieNumber of coins per reverse die. (n/r) | 1.6 |
| Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) | 1.67 | 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 | 4.04 | Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ | 80,800 |
| 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) | 4.8 | Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ | 0.00010 |
| 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 | 3,960.4 |
| 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 | 1,357 kg <br /> 1,357 kg | Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ | 9,900.99 |
Remarks
Most likely one single workstation
References
- ^ Kritt, Brian (1996), Seleucid Coins of Bactria, Classical Numismatic Studies 1, Lancaster, x + 70 p.
- ^ Houghton, Arthur - Lorber, Catharine (2002), Seleucid coins : a comprehensive catalogue. Part 1, Seleucus I through Antiochus III, New York - Lancaster - London, 2 v. (xxxviii, 488 p. + 300 p.), 101 pl.
