Iasus, bronze (0.9g) (Apollo/female head) (410-390 BCE)
From SILVER
380 BCE - 350 BCE Bronze
Description
| Obverse: | Laureate head of Apollo three-quarter facing left, linear border |
| Reverse: | IA ou IAΣE (Greek).Female head right, wearing sakkos. |
Mint and issuing power
| Mint: | Iasus | Ancient region: | Caria | Modern country: Turkey | Authority: |
Chronology
| From | 380 BCE | to | 350 BCE | Period: Classical 480-323 BC |
Physical description
| Metal: | Bronze |
Median weight in grams | 0.90 | Denomination: | chalkous |
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.]]1Ashton 2007, p. 47-78 (catalogue p. 53). | ||
| 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 | 5 | 83.33 | 5 | 62.5 | II.1, II.2, III.1, III.2, III.3 |
| 3 | 1 | 16.67 | 3 | 37.5 | I.1 |
| Total | 6 of 6 | 100 | 8 of 8 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obverses ᵖ (o) | 6 | Number of singletons (o1) ᵖ | 5 |
| Number of reverse dies (r) | 6 | Number of coins (n) | 8 |
| Coins per obverse die (n/o) | 1.33 | Coins per reverse die (n/r) | 1.33 |
| Reverse per obverse ratio (r/o) | 1 | Percentage of singletons (o1) ᵖ | 83.33 % |
| Original number of dies (O) (Carter 1983 formula) ᵖ | 18.97 | Coins struck if 20,000 as average productivity per die ᵖ | 379,400 |
| Original number of dies (O) (Esty 2011 formula) ᵖ (O) | 24 | Survival rate if 20,000 as average productivity per die ᵖ | 0.00002 |
| Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O) | 37.5% | Die productivity if survival rate 1/2,000 ᵖ | 843.44 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ | n.a. | Die productivity if survival rate 1/5,000 ᵖ | 2,108.59 |
Remarks
Most likely one single workstation
References
- ^ Ashton, Richard (2007), "The pre-Imperial Coinage of Iasos", Numismatic Chronicle, 167, p. 47-78