S 1691 - Parthia (uncertain mint) (Pacorus II), silver, drachms (78-120 CE)
From SILVER
78 CE - 120 CE Silver 24,834 kg
Description
| Obverse: | Bare-headed bust of king l. with long pointed beard, wearing diadem with large loop behind and earring |
| Reverse: | (Greek).Archer seated r. on throne holding bow, below bow a large A monogram topped by horizontal stroke and with pellet below, Greek legend in straight lines around. |
Mint and issuing power
| Mint: | Parthia (uncertain mint) | Ancient region: | Parthia | Modern country: Iran | Authority: | Parthian Empire |
Chronology
| From | 78 CE | to | 120 CE | Period: Roman from 30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 3.60 | Denomination: | drachma
|
Standard: |
Image
References
| Die study reference: | "[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Sellwood 1998 | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2Sellwood 1980, n° 78 | ||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 82 | 69.49 | 82 | 50.62 | |
| 2 | 29 | 24.58 | 58 | 35.8 | |
| 3 | 6 | 5.08 | 18 | 11.11 | |
| 4 | 1 | 0.85 | 4 | 2.47 | |
| Total | 118 of 118 | 100 | 162 of 162 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 118 | Number of singletons (o1) ᵖ | 82 |
| Number of reverse dies (r) | Number of coins (n) | 162 | |
| Coins per obverse die (n/o) | 1.37 | Coins per reverse die (n/r) | |
| Reverse per obverse ratio (r/o) | Percentage of singletons (o1) ᵖ | 69.49 % | |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 344.92 | Coins struck if 20,000 as average productivity per die ᵖ | 6,898,400 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 434.45 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00002 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 49.38% | Die productivity if survival rate 1/2,000 ᵖ | 939.35 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 24,834 kg <br /> 24,834 kg | Die productivity if survival rate 1/5,000 ᵖ | 2,348.37 |
Remarks
References
- ^ Sellwood, David (1998), "A die count for a group of Parthian drachms", in Richard Ashton and Silvia Hurter (eds.), Studies in Greek Numismatics in Memory of Martin Jessop Price, London, p. 317-320, pl. 68.
- ^ Sellwood, David (1980), An introduction to the coinage of Parthia, 2nd ed., London, Spink & Son, 322 p., 10 pl.
