Amaseia (?) (Mithridates IV), silver, tetradrachms (169-150 BCE)
From SILVER
169 BCE - 150 BCE Silver 2,927 kg
Description
| ObverseInscription or printing placed on the obverse.: | Diademed head to right |
| ReverseInscription or printing placed on the reverse.: | BAΣIΛEΩΣ MIΘPAΔATOY to right, ΦΙΛOΠATOPOΣ KAI ΦΙΛΑΔΕΛΦΟY (Greek).Perseus standing facing, holding harpa and severed head of Medusa, above, crescent above star, monogram to inner left. |
Mint and issuing power
| MintIdentifies the place of manufacture or issue of a numismatic object.: | Amaseia | Ancient regionAncient region.: | Pontus | Modern countryModern country: Turkey | AuthorityIdentifies the issuing power. The authority can be "pretended" when the name or the portrait of X is on the coin but he/she was not the issuing power. It can also be "uncertain" when there is no mention of X on the coin but he/she was the issuing power according to the historical sources: | Mithridates IV (king of Pontus, 162-150 BCE), Pontic kingdom |
Chronology
| FromIdentifies the initial date in a range assigned in a numismatic context. | 169 BCE | toIdentifies the final date in a range assigned in a numismatic context.. | 150 BCE | PeriodTime period of the numismatic object.: Hellenistic 323-30 BC 
|
Physical description
| MetalThe physical material (usually metal) from which an object is made.: | Silver
|
Median weightMedian of the weights of numismatic objects (in grams). in grams | 16.80 | DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: | tetradrachm
|
StandardStandard.: | Attic |
Image
S1641 Mithridates IV tetradrachms.jpg [1]
References
| Die study referencePublication of the study: | Callataÿ 20091Callataÿ 2009, p. 75-77 | ||
| Coin series referenceReference to coin series study: | Sear II2Sear II, n° 7244, HGC 73HGC 7, n° 326 | ||
| Coin series web referenceCoin series web references: | |||
Obverse dies distribution
| FrequencyFrequency of specimen in distribution. ᵖ | Number of obversesNumber of obverse dies. ᵖ (o) | % (o) | Number of coinsNumber of coins. (n) | % (n) | Die nameName(s) of the die(s). |
| 1 | 3 | 50 | 3 | 21.43 | 3, 5, 6 |
| 2 | 1 | 16.67 | 2 | 14.29 | 1 |
| 3 | 1 | 16.67 | 3 | 21.43 | 4 |
| 6 | 1 | 16.67 | 6 | 42.86 | 2 |
| Total | 6 of 6 | 100.01 | 14 of 14 | 100.01 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obversesNumber of obverse dies. ᵖ (o) | 6 | Number of singletons (o1)The number of singleton coins. ᵖ | 3 |
| Number of reverse diesNumber of reverse dies. (r) | 14 | Number of coinsNumber of coins. (n) | 14 |
| Coins per obverse dieNumber of coins per obverse die. (n/o) | 2.33 | Coins per reverse dieNumber of coins per reverse die. (n/r) | 1 |
| Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) | 2.33 | Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ | 50 % |
| Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ | 8.71 | Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ | 174,200 |
| Original number of dies (O) (Esty 2011 formula)The estimation of the number of coins according to the singleton formula in Esty 2011 ᵖ (O) | 10.5 | Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ | 0.00008 |
| Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O) | 78.57% | Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ | 3,214.7 |
| Weight of silver (in kg) if 20,000 coins per die (O = Carter formula)Carter 1983 * Median weight * 20000 (*10 if gold or electrum) ᵖ | 2,927 kg <br /> 2,927 kg | Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ | 8,036.74 |
Remarks
Likely military
