S 1280 - Bactria (uncertain mint) (Antimachus), silver, hemidrachms (185-170 BCE)
From SILVER
185 BCE - 170 BCE Silver 133 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 | 2.04 | Denomination: | hemidrachm
|
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. 361, n° 1-4 | ||
| Coin series reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 1 | 50 | 1 | 25 | 2 |
| 3 | 1 | 50 | 3 | 75 | 1 |
| Total | 2 of 2 | 100 | 4 of 4 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 2 | Number of singletons (o1) ᵖ | 1 |
| Number of reverse dies (r) | 4 | Number of coins (n) | 4 |
| Coins per obverse die (n/o) | 2 | Coins per reverse die (n/r) | 1 |
| Reverse per obverse ratio (r/o) | 2 | Percentage of singletons (o1) ᵖ | 50 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 3.25 | Coins struck if 20,000 as average productivity per die ᵖ | 65,000 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 4 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00006 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 75% | Die productivity if survival rate 1/2,000 ᵖ | 2,461.54 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 133 kg <br /> 133 kg | Die productivity if survival rate 1/5,000 ᵖ | 6,153.85 |
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.
