S 2058 - Bactria (uncertain mint) (Diodotus I and II), silver, drachms (255-220 BCE) Kovalenko
From SILVER
255 BCE - 220 BCE Silver 3,760 kg
Description
ObverseInscription or printing placed on the obverse.: | Diademed head to right |
ReverseInscription or printing placed on the reverse.: | ΒΑΣΙΛΕΩΣ to right, ΑΝΤΙΟΧΟΥ to left (Greek).Zeus Bremetes advancing to left, brandishing aegis and thunderbolt, N above eagle at inner left |
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: | Bactrian kingdom, Diodotus I of Bactria (Seleucid satrap and king in Bactria, c. 255/50-239 BC), Diodotus II of Bactria (king in Bactria, 239-223 C) |
Chronology
FromIdentifies the initial date in a range assigned in a numismatic context. | 255 BCE | toIdentifies the final date in a range assigned in a numismatic context.. | 220 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 | 3.80 | DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: | drachma | StandardStandard.: | Attic |
References
Die study referencePublication of the study: | Kovalenko 19961 | ||
Coin series referenceReference to coin series study: | Sear II2 , HGCE 123 |
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). |
1 | 11 | 78.57 | 11 | 61.11 | a, b, d, e, f, g, h, k, l, n, o |
2 | 2 | 14.29 | 4 | 22.22 | c, j |
3 | 1 | 7.14 | 3 | 16.67 | m |
Total | 14 of 14 | 100 | 18 of 18 | 100 |
Reverse dies distribution
no distribution is available
Quantification
Number of obversesNumber of obverse dies. ^{ᵖ} (o) | 14 | Number of singletons (o1)The number of singleton coins. ^{ᵖ} | 11 |
Number of reverse diesNumber of reverse dies. (r) | Number of coinsNumber of coins. (n) | 18 | |
Coins per obverse dieNumber of coins per obverse die. (n/o) | 1.29 | Coins per reverse dieNumber of coins per reverse die. (n/r) | |
Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) | Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ^{ᵖ} | 78.57 % | |
Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ^{ᵖ} | 49.47 | Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ^{ᵖ} | 989,400 |
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) | 63 | Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ^{ᵖ} | 0.00002 |
Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ^{ᵖ} (o = % of O) | 38.89% | Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ^{ᵖ} | 727.71 |
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} | 3,760 kg <br /> 3,760 kg | Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ^{ᵖ} | 1,819.28 |
Remarks