S 1252 - Bactria (uncertain mint) (Demetrius I), silver, tetradrachms (200-180 BCE)
From SILVER
200 BCE - 180 BCE Silver 2,680 kg
Description
| Obverse: | Head of king Demetrius right, wearing diadem and elephant scalp, drapery around neck. Border of dots. |
| Reverse: | ΒΑΣΙΛΕΩΣ ΔΗΜΗΤΡΙΟΥ (Greek).Heracles, standing facing, crowning himself with right hand, holding club and lion skin over left arm. In left field, monogram. |
Mint and issuing power
| Mint: | Bactria (uncertain mint) | Ancient region: | Bactria | Modern country: Afghanistan | Authority: | Demetrius I (Indo-Greek king, c. 200–180 BC) |
Chronology
| From | 200 BCE | to | 180 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 16.50 | 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. 268, no. 284-293. | ||
| Coin series reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 2 | 40 | 2 | 20 | O74, O75 |
| 2 | 1 | 20 | 2 | 20 | O71 |
| 3 | 2 | 40 | 6 | 60 | O72, O73 |
| Total | 5 of 5 | 100 | 10 of 10 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 5 | Number of singletons (o1) ᵖ | 2 |
| Number of reverse dies (r) | 6 | Number of coins (n) | 10 |
| Coins per obverse die (n/o) | 2 | Coins per reverse die (n/r) | 1.67 |
| Reverse per obverse ratio (r/o) | 1.2 | Percentage of singletons (o1) ᵖ | 40 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 8.12 | Coins struck if 20,000 as average productivity per die ᵖ | 162,400 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 10 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00006 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 80% | Die productivity if survival rate 1/2,000 ᵖ | 2,463.05 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 2,680 kg <br /> 2,680 kg | Die productivity if survival rate 1/5,000 ᵖ | 6,157.64 |
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.
