S 922 - Syria (uncertain mint) (Seleucus II), silver, tetradrachms (245-225 BCE)
From SILVER
245 BCE - 225 BCE Silver 2,111 kg
Description
| Obverse: | Head of Seleukos II right, wearing a diadem. Border of dots. |
| Reverse: | BAΣΙΛΕΩΣ ΣΕΛΕΥΚΟΥ (Greek).Apollo left, naked, holding a arrow, leaning his elbows on a bow. In the field, 1/2 monogram(s). Border of dots. |
Mint and issuing power
| Mint: | Syria (uncertain mint) | Ancient region: | Syria | Modern country: Turkey | Authority: | Seleucid Dynasty (312-63 BC), Seleucus II Callinicus (Seleucid king, 246-225 BC) |
Chronology
| From | 245 BCE | to | 225 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 17.00 | 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.]]1A. Houghton, "New Light on Coin Production under Seleucus II in Northern Syria, Commagene, and Mesopotamia", American Journal of Numismatic 23 (2011), p. 17-34, pl. 3-6 (p. 22-24, n° 1-5 et 11-21). | ||
| 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 | 12.5 | |
| 2 | 1 | 20 | 2 | 12.5 | |
| 4 | 1 | 20 | 4 | 25 | |
| 8 | 1 | 20 | 8 | 50 | |
| Total | 5 of 5 | 100 | 16 of 16 | 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) | 4 | Number of coins (n) | 16 |
| Coins per obverse die (n/o) | 3.2 | Coins per reverse die (n/r) | 4 |
| Reverse per obverse ratio (r/o) | 0.8 | Percentage of singletons (o1) ᵖ | 40 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 6.21 | Coins struck if 20,000 as average productivity per die ᵖ | 124,200 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 7.27 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00013 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 87.5% | Die productivity if survival rate 1/2,000 ᵖ | 5,152.98 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 2,111 kg <br /> 2,111 kg | Die productivity if survival rate 1/5,000 ᵖ | 12,882.45 |
Remarks
References
- ^ A. Houghton
