AC 227a - Teos, silver, tetartemoria (478-449 BCE)
From SILVER
478 BCE - 449 BCE Silver 62 kg
Description
| ObverseInscription or printing placed on the obverse.: | Griffin's head on the right. |
| ReverseInscription or printing placed on the reverse.: | Quadratum incusum divided into four by a cross of lines |
Mint and issuing power
| MintIdentifies the place of manufacture or issue of a numismatic object.: | Teos | Ancient regionAncient region.: | Ionia | 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: |
Chronology
| FromIdentifies the initial date in a range assigned in a numismatic context. | 478 BCE | toIdentifies the final date in a range assigned in a numismatic context.. | 449 BCE | PeriodTime period of the numismatic object.: Classical 480-323 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 | 0.25 | DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.: | tetartemorion
|
StandardStandard.: |
Image
AC 227a Teos tetartemorion 478-449.jpg [1]
References
| Die study referencePublication of the study: | Balcer 19681Balcer 1968, n° 123-31 (Group LXXIV). | ||
| Coin series referenceReference to coin series study: | |||
| 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 | 4 | 44.44 | 4 | 17.39 | 123, 127, 128, 130 |
| 2 | 1 | 11.11 | 2 | 8.7 | 126 |
| 3 | 1 | 11.11 | 3 | 13.04 | 125 |
| 4 | 2 | 22.22 | 8 | 34.78 | 124, 131 |
| 6 | 1 | 11.11 | 6 | 26.09 | 129 |
| Total | 9 of 9 | 99.99 | 23 of 23 | 100 |
Reverse dies distribution
no distribution is available
Quantification
| Number of obversesNumber of obverse dies. ᵖ (o) | 9 | Number of singletons (o1)The number of singleton coins. ᵖ | |
| Number of reverse diesNumber of reverse dies. (r) | 23 | Number of coinsNumber of coins. (n) | 23 |
| Coins per obverse dieNumber of coins per obverse die. (n/o) | 2.56 | 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) | 2.56 | Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ | % |
| Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ | 12.39 | Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ | 247,800 |
| 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) | 14.79 | Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ | 0.00009 |
| Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O) | % | Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ | 3,712.67 |
| 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 | 62 kg <br /> 62 kg | Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ | 9,281.68 |
Remarks
References
- ^ Balcer, Jack M. (1968), "The early silver coinage of Teos", Revue Suisse de Numismatique 47, p. 5-50.
