S 1419 - Ecbatana (Demetrius I), silver, drachms (162-150 BCE)

Die Studies Database

SILVER ID ^ᵖ: 8608

162 BCE - 150 BCE Silver 7,087 kg

Description

Obverse:
Reverse:

Mint and issuing power

Mint:

Ecbatana

Ancient region:

Media

Modern country: Iran

Authority:

Demetrius I Soter (Seleucid king, 162-150 BC)

Chronology

From

162 BCE

to

150 BCE

Period: Hellenistic 323-30 BC

Physical description

Metal:

Silver

Median weight in grams

3.90

Denomination:

drachma

Standard:

Attic

References

Die study reference:	"[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Boillet 2009, p. 249-255, no. 1200-1237.
Coin series reference:

Obverse dies distribution

Frequency ᵖ	Number of obverses ᵖ (o)	% (o)	Number of coins (n)	% (n)	Die name
1	22	78.57	22	59.46	3, 4, 5, 7, 8, 9, 10, 11, 12, 14, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27
2	4	14.29	8	21.62	1, 13, 15, 28
3	1	3.57	3	8.11	6
4	1	3.57	4	10.81	2
Total	28 of 28	100	37 of 37	100

Reverse dies distribution

no distribution is available

Quantification

Number of obverses ᵖ (o)	28	Number of singletons (o1) ᵖ	22
Number of reverse dies (r)	32	Number of coins (n)	37
Coins per obverse die (n/o)	1.32	Coins per reverse die (n/r)	1.16
Reverse per obverse ratio (r/o)	1.14	Percentage of singletons (o1) ᵖ	78.57 %
Original number of dies (O) (Carter 1983 formula) ᵖ	90.86	Coins struck if 20,000 as average productivity per die ᵖ	1,817,200
Original number of dies (O) (Esty 2011 formula) ᵖ (O)	115.11	Survival rate if 20,000 as average productivity per die ᵖ	0.00002
Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O)	40.54%	Die productivity if survival rate 1/2,000 ᵖ	814.44
Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ	7,087 kg <br /> 7,087 kg	Die productivity if survival rate 1/5,000 ᵖ	2,036.1

Remarks