S 1390 - Ecbatana (Mithridates IV), bronze (129-140 CE)

Die Studies Database

SILVER ID ^ᵖ: 9168

129 CE - 140 CE Bronze

Description

Obverse:	Bust of the king left, wearing earring and diadem. Border of dots.
Reverse:	Several types: 1) Eagle standing right, wings open. In the right field, A (series I), 2) Head of bull facing. Border of dots (series II).

Mint and issuing power

Mint:

Ecbatana

Ancient region:

Media

Modern country: Iran

Authority:

Parthian Empire, Mithridates IV (king of the Parthian Empire, 129-140 AD)

Chronology

From

129 CE

to

140 CE

Period: Roman from 30 BC

Physical description

Metal:

Bronze

Denomination:

Standard:

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. 825-826, no. 6150-6152.
Coin series reference:

Obverse dies distribution

Frequency ᵖ	Number of obverses ᵖ (o)	% (o)	Number of coins (n)	% (n)	Die name
1	3	100	3	100	1, 2, 3
Total	3 of 3	100	3 of 3	100

Reverse dies distribution

no distribution is available

Quantification

Number of obverses ᵖ (o)	3	Number of singletons (o1) ᵖ	3
Number of reverse dies (r)	3	Number of coins (n)	3
Coins per obverse die (n/o)	1	Coins per reverse die (n/r)	1
Reverse per obverse ratio (r/o)	1	Percentage of singletons (o1) ᵖ	100 %
Original number of dies (O) (Carter 1983 formula) ᵖ	176.47	Coins struck if 20,000 as average productivity per die ᵖ	3,529,400
Original number of dies (O) (Esty 2011 formula) ᵖ (O)		Survival rate if 20,000 as average productivity per die ᵖ	0.00000
Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O)	0%	Die productivity if survival rate 1/2,000 ᵖ	34
Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ	n.a.	Die productivity if survival rate 1/5,000 ᵖ	85

Remarks