Pergamum (Augustus), silver, cistophori (27-26 BCE)
From SILVER
27 BCE - 26 BCE Silver 9,979 kg
Description
| Obverse: | IMP•CAESAR (Latin).Bare head of Augustus to right |
| Reverse: | AVGVSTVS (Latin).Six grain ears tied together |
Mint and issuing power
| Mint: | Pergamum | Ancient region: | Mysia | Modern country: Turkey | Authority: | Augustus (Roman emperor, 27 BC-14 AD), Roman Empire |
Chronology
| From | 27 BCE | to | 26 BCE | Period: Roman from 30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 12.00 | Denomination: | cistophorus
|
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.]]1Sutherland 1970, p. 44-54 (Groups II-IV) | ||
| Coin series reference: | "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2RIC, n° 494, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3RPC I, n° 2212 | ||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 16 | 48.48 | 16 | 15.84 | 2/2, 2/3, 3/2, 3/6, 3/7, 3/9, 3/10, 3/11, 3/13, 4/3, 4/6, 4/8, 4/9, 4/11, 4/12, 4/13 |
| 2 | 5 | 15.15 | 10 | 9.9 | 2/1, 3/1, 3/3, 3/14, 4/10 |
| 3 | 4 | 12.12 | 12 | 11.88 | 3/8, 3/12, 4/5, 4/14 |
| 4 | 1 | 3.03 | 4 | 3.96 | 2/4 |
| 5 | 2 | 6.06 | 10 | 9.9 | 4/1, 4/15 |
| 7 | 1 | 3.03 | 7 | 6.93 | 4/7 |
| 8 | 2 | 6.06 | 16 | 15.84 | 4/2, 4/4 |
| 12 | 1 | 3.03 | 12 | 11.88 | 3/5 |
| 14 | 1 | 3.03 | 14 | 13.86 | 3/4 |
| Total | 33 of 33 | 99.99 | 101 of 101 | 99.99 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 33 | Number of singletons (o1) ᵖ | 16 |
| Number of reverse dies (r) | 69 | Number of coins (n) | 101 |
| Coins per obverse die (n/o) | 3.06 | Coins per reverse die (n/r) | 1.46 |
| Reverse per obverse ratio (r/o) | 2.09 | Percentage of singletons (o1) ᵖ | 48.48 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 41.58 | Coins struck if 20,000 as average productivity per die ᵖ | 831,600 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 49.01 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00012 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 84.16% | Die productivity if survival rate 1/2,000 ᵖ | 4,858.1 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 9,979 kg <br /> 9,979 kg | Die productivity if survival rate 1/5,000 ᵖ | 12,145.26 |
Remarks
References
- ^ Sutherland, C. H. V. (1970), The cistophori of Augustus, RNS Spec. Publ. 5, London, 134 p., 36 pl.
- ^ RIC
- ^ Amandry, Michel - Burnett, Andrew - Ripolles, Pere Pau (1998), Roman provincial coinage. I. From the death of Caesar to the death of Vitellius (44 BC-AC 69), London-Paris, 2 vol., xvii + 812 p., 195 pl.
