S 1278 - Bactria (uncertain mint) (Antimachus), silver, tetradrachms (185-170 BCE)
From SILVER
185 BCE - 170 BCE Silver 1,599 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), Indo-Greek kingdom |
Chronology
| From | 185 BCE | to | 170 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 16.55 | Denomination: | tetradrachm
|
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. 356-357, no. 1-14. | ||
| Coin series reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 2 | 50 | 2 | 14.29 | Oc, Od |
| 4 | 1 | 25 | 4 | 28.57 | Oa |
| 8 | 1 | 25 | 8 | 57.14 | Ob |
| Total | 4 of 4 | 100 | 14 of 14 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 4 | Number of singletons (o1) ᵖ | 2 |
| Number of reverse dies (r) | 14 | Number of coins (n) | 14 |
| Coins per obverse die (n/o) | 3.5 | Coins per reverse die (n/r) | 1 |
| Reverse per obverse ratio (r/o) | 3.5 | Percentage of singletons (o1) ᵖ | 50 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 4.83 | Coins struck if 20,000 as average productivity per die ᵖ | 96,600 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 5.6 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00014 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 85.71% | Die productivity if survival rate 1/2,000 ᵖ | 5,797.1 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 1,599 kg <br /> 1,599 kg | Die productivity if survival rate 1/5,000 ᵖ | 14,492.75 |
Remarks
Most likely more than 2 workstations
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.
