Seleuceia ad Calycadnum (Demetrius II), silver, tetradrachms (146-144 BCE)
From SILVER
146 BCE - 144 BCE Silver 1,465 kg
Description
ObverseInscription or printing placed on the obverse.: | Diademed head of king facing to right. Fillet border |
ReverseInscription or printing placed on the reverse.: | ΒΑΣΙΛΕΩΣ ΔΗΜΗΤΡΙΟΥ ΘΕΟΥ NIKATOPOΣ (Greek).Athena standing to left, holding Nike offering wreath, left hand resting on shield. Vertical spear behind. In outer left field, flower. In exergue, two monograms |
Mint and issuing power
MintIdentifies the place of manufacture or issue of a numismatic object.: | Seleuceia ad Calycadnum | Ancient regionAncient region.: | Cilicia | 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: | Demetrius II Nicator (Seleucid king, 145-140 and 129-125 BC), Seleucid Dynasty (312-63 BC) |
Chronology
FromIdentifies the initial date in a range assigned in a numismatic context. | 146 BCE | toIdentifies the final date in a range assigned in a numismatic context.. | 144 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

H297 Seleucia ad calycadnus Demetrius tetradrachms.jpg [1]
References
Die study referencePublication of the study: | Houghton 1989b1Houghton 1989b, p. 85-86 | ||
Coin series referenceReference to coin series study: | RQEMH2RQEMH, n° 297, SC II3SC II, n° 1890 |
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 | 2 | 66.67 | 2 | 28.57 | 2, 3 |
5 | 1 | 33.33 | 5 | 71.43 | 1 |
Total | 3 of 3 | 100 | 7 of 7 | 100 |
Reverse dies distribution
no distribution is available
Quantification
Number of obversesNumber of obverse dies. ᵖ (o) | 3 | Number of singletons (o1)The number of singleton coins. ᵖ | 2 |
Number of reverse diesNumber of reverse dies. (r) | 6 | Number of coinsNumber of coins. (n) | 7 |
Coins per obverse dieNumber of coins per obverse die. (n/o) | 2.33 | Coins per reverse dieNumber of coins per reverse die. (n/r) | 1.17 |
Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o) | 2 | Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ | 66.67 % |
Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ | 4.36 | Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ | 87,200 |
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) | 5.25 | 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) | 71.43% | Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ | 3,211.01 |
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 | 1,465 kg <br /> 1,465 kg | Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ | 8,027.52 |
Remarks
Most likely one single workstation