S 1281 - Bactria (uncertain mint) (Antimachus I), silver, obols (185-170 BCE)
From SILVER
185 BCE - 170 BCE Silver 546 kg
Description
| Obverse: | Head of king Antimachus right, wearing diadem and kausia. Border of dots. |
| Reverse: | ΒΑΣΙΛΕΥΟΝΤΟΣ ΘΕΟΥ ΑΝΤΙΜΑΧΟΥ (Greek).Poseidon standing facing, holding trident and palm with ribbon. In right field, monogram |
Mint and issuing power
| Mint: | Bactria (uncertain mint) | Ancient region: | Bactria | Modern country: Afghanistan | Authority: | Antimachus I (Indo-Greek king, c. 185 BC-170 BC), Bactrian Kingdom |
Chronology
| From | 185 BCE | to | 170 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 0.65 | Denomination: | obol
|
Standard: | Attic |
References
| Die study reference: | "[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Glenn 2020, p. 362-365, n° 1-57 | ||
| Coin series reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 17 | 62.96 | 17 | 29.82 | O3, O6, O8, O11, O13, O15, O16, O17, O18, O19, O20, O21, O22, O23, O24, O26, O27 |
| 2 | 4 | 14.81 | 8 | 14.04 | O9, O12, O14, O25 |
| 3 | 2 | 7.41 | 6 | 10.53 | O2, O5 |
| 4 | 1 | 3.7 | 4 | 7.02 | O10 |
| 6 | 1 | 3.7 | 6 | 10.53 | O1 |
| 7 | 1 | 3.7 | 7 | 12.28 | O4 |
| 9 | 1 | 3.7 | 9 | 15.79 | |
| Total | 27 of 27 | 99.98 | 57 of 57 | 100.01 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 27 | Number of singletons (o1) ᵖ | 17 |
| Number of reverse dies (r) | 50 | Number of coins (n) | 57 |
| Coins per obverse die (n/o) | 2.11 | Coins per reverse die (n/r) | 1.14 |
| Reverse per obverse ratio (r/o) | 1.85 | Percentage of singletons (o1) ᵖ | 62.96 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 42.01 | Coins struck if 20,000 as average productivity per die ᵖ | 840,200 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 51.3 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00007 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 70.18% | Die productivity if survival rate 1/2,000 ᵖ | 2,713.64 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 546 kg <br /> 546 kg | Die productivity if survival rate 1/5,000 ᵖ | 6,784.1 |
Remarks
References
- ^ Glenn, Simon (2020), Money and Power in Hellenistic Bactria: Euthydemus I to Antimachus I, Numismatic Studies 43, New York, 2020, 394 p., 106 pl.
