Artacoana (Antiochus II), silver, tetradrachms (antiochus I/Apollo on omphalos) (261-246 BCE)
From SILVER
261 BCE - 246 BCE Silver 1,139 kg
Description
| Obverse: | Head of Antiochos I to right, wearing diadem. |
| Reverse: | ΒΑΣΙΛΕΩΣ ΑΝΤΙΟΧΟΥ (Greek).Apollo seated on omphalos to left, naked, holding arrow and bow. In field, AB. At the exergue, monogram. |
Mint and issuing power
| Mint: | Artacoana | Ancient region: | Bactria | Modern country: Afghanistan | Authority: | Antiochus II Theos (Seleucid king, 261-246 BC) |
Chronology
| From | 261 BCE | to | 246 BCE | Period: Hellenistic 323-30 BC |
Physical description
| Metal: | Silver |
Median weight in grams | 17.10 | Denomination: | tetradrachm |
Standard: | Attic |
Image

References
| Die study reference: | "[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Ehling 1997, p. 29-38, pl. 5. | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2ESM, n° 728, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3SC I, n° 612.5 | ||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 4 | 1 | 33.33 | 4 | 26.67 | 3 |
| 5 | 1 | 33.33 | 5 | 33.33 | 2 |
| 6 | 1 | 33.33 | 6 | 40 | 1 |
| Total | 3 of 3 | 99.99 | 15 of 15 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 3 | Number of singletons (o1) ᵖ | |
| Number of reverse dies (r) | 15 | Number of coins (n) | 15 |
| Coins per obverse die (n/o) | 5 | Coins per reverse die (n/r) | 1 |
| Reverse per obverse ratio (r/o) | 5 | Percentage of singletons (o1) ᵖ | % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 3.33 | Coins struck if 20,000 as average productivity per die ᵖ | 66,600 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 3.75 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00023 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | % | Die productivity if survival rate 1/2,000 ᵖ | 9,009.01 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 1,139 kg <br /> 1,139 kg | Die productivity if survival rate 1/5,000 ᵖ | 22,522.52 |
Remarks
Most likely one single workstation
References
- ^ Ehling, Kay (1997), "Eine seleukidische Münzstätte in Areia (Artakoana/Alexandreia). Zu E.T. Newell ESM Nr. 727-745", Schweizerische Numismatische Rundschau, 76, p. 29-39.
- ^ Newell, Edawrd T. (1938), The coinage of the eastern Seleucid mints, from Seleucus I to Antiochus III, Numismatic Studies 1, New York, 307 p., LVI pl.
- ^ 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.