S 922 - Syria (uncertain mint) (Seleucus II), silver, tetradrachms (245-225 BCE)

SILVER IDUnique ID of the page ^ᵖ: 8983

245 BCE - 225 BCE Silver 2,111 kg

Description

ObverseInscription or printing placed on the obverse.:	Head of Seleukos II right, wearing a diadem. Border of dots.
ReverseInscription or printing placed on the reverse.:	BAΣΙΛΕΩΣ ΣΕΛΕΥΚΟΥ (Greek).Apollo left, naked, holding a arrow, leaning his elbows on a bow. In the field, 1/2 monogram(s). Border of dots.

Mint and issuing power

MintIdentifies the place of manufacture or issue of a numismatic object.:

Syria (uncertain mint)

Ancient regionAncient region.:

Syria

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:

Seleucid Dynasty (312-63 BC), Seleucus II Callinicus (Seleucid king, 246-225 BC)

Chronology

FromIdentifies the initial date in a range assigned in a numismatic context.

245 BCE

toIdentifies the final date in a range assigned in a numismatic context..

225 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

17.00

DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.:

tetradrachm

StandardStandard.:

Attic

References

Die study referencePublication of the study:	"[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1A. Houghton, "New Light on Coin Production under Seleucus II in Northern Syria, Commagene, and Mesopotamia", American Journal of Numismatic 23 (2011), p. 17-34, pl. 3-6 (p. 22-24, n° 1-5 et 11-21).
Coin series referenceReference to coin series study:

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	40	2	12.5
2	1	20	2	12.5
4	1	20	4	25
8	1	20	8	50
Total	5 of 5	100	16 of 16	100

Reverse dies distribution

no distribution is available

Quantification

Number of obversesNumber of obverse dies. ^ᵖ (o)	5	Number of singletons (o1)The number of singleton coins. ^ᵖ	2
Number of reverse diesNumber of reverse dies. (r)	4	Number of coinsNumber of coins. (n)	16
Coins per obverse dieNumber of coins per obverse die. (n/o)	3.2	Coins per reverse dieNumber of coins per reverse die. (n/r)	4
Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o)	0.8	Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ^ᵖ	40 %
Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ^ᵖ	6.21	Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ^ᵖ	124,200
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)	7.27	Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ^ᵖ	0.00013
Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ^ᵖ (o = % of O)	87.5%	Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ^ᵖ	5,152.98
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	2,111 kg <br /> 2,111 kg	Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ^ᵖ	12,882.45

Remarks

References

^ A. Houghton