S 548 - Iulis, silver, didrachms (220-180 BCE)
From SILVER
220 BCE - 180 BCE Silver 1,556 kg
Description
| Obverse: | Head of Zeus/Aristaeus r. |
| Reverse: | IOY (Greek).Bee |
Mint and issuing power
| Mint: | Iulis | Ancient region: | Cyclades | Modern country: Greece | Authority: |
Chronology
| From | 220 BCE | to | 180 BCE | Period: Hellenistic 323-30 BC 
|
Physical description
| Metal: | Silver
|
Median weight in grams | 8.20 | Denomination: | 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.]]1Papageorgiadou-Banis 1997, p. 84, n° 18-21 (series IV) | ||
| Coin series reference: | |||
| Coin series web reference: | |||
Obverse dies distribution
| Frequency ᵖ | Number of obverses ᵖ (o) | % (o) | Number of coins (n) | % (n) | Die name |
| 1 | 2 | 66.67 | 2 | 50 | 16, 17 |
| 2 | 1 | 33.33 | 2 | 50 | 18 |
| Total | 3 of 3 | 100 | 4 of 4 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 3 | Number of singletons (o1) ᵖ | 2 |
| Number of reverse dies (r) | 4 | Number of coins (n) | 4 |
| Coins per obverse die (n/o) | 1.33 | Coins per reverse die (n/r) | 1 |
| Reverse per obverse ratio (r/o) | 1.33 | Percentage of singletons (o1) ᵖ | 66.67 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 9.49 | Coins struck if 20,000 as average productivity per die ᵖ | 189,800 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 12 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00002 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 50% | Die productivity if survival rate 1/2,000 ᵖ | 842.99 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | 1,556 kg <br /> 1,556 kg | Die productivity if survival rate 1/5,000 ᵖ | 2,107.48 |
Remarks
References
- ^ Papageorgiadou-Banis, Charikleia (1997), The Coinage of Kea, Meletemata 24, Athens, viii, 107 p., 21 pl.
