S 1384 - Ecbatana (Vologases II), silver, drachms (77-80 CE)

Die Studies Database

SILVER ID ^ᵖ: 8743

77 CE - 80 CE Silver 797 kg

Description

Obverse:	Bust of the king left, wearing tiara. In the field, mark for Vol.
Reverse:	ΒΑΣΙΛΕΩΣ ΒΑΣΙΛΕΩΝ ΑΡΣΑΚΟΥ ΕΥΕΡΓΕΤΟΥ ΔΙΚΑΙΟΥ ΕΠΙΦΑΝΟΥΣ ΦΙΛΕΛΛΗΝΟΣ (Greek).King seated right, wearing diadem, holding bow. In the right field, A.

Mint and issuing power

Mint:

Ecbatana

Ancient region:

Media

Modern country: Iran

Authority:

Parthian Empire, Vologases II (king of Parthia, c. 77-80 AD)

Chronology

From

77 CE

to

80 CE

Period: Roman from 30 BC

Physical description

Metal:

Silver

Median weight in grams

3.70

Denomination:

drachma

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. 719-720, no. 5231-5245.
Coin series reference:

Obverse dies distribution

Frequency ᵖ	Number of obverses ᵖ (o)	% (o)	Number of coins (n)	% (n)	Die name
1	3	42.86	3	20	1, 2, 7
2	2	28.57	4	26.67	4, 5
3	1	14.29	3	20	6
5	1	14.29	5	33.33	3
Total	7 of 7	100.01	15 of 15	100

Reverse dies distribution

no distribution is available

Quantification

Number of obverses ᵖ (o)	7	Number of singletons (o1) ᵖ	3
Number of reverse dies (r)	7	Number of coins (n)	15
Coins per obverse die (n/o)	2.14	Coins per reverse die (n/r)	2.14
Reverse per obverse ratio (r/o)	1	Percentage of singletons (o1) ᵖ	42.86 %
Original number of dies (O) (Carter 1983 formula) ᵖ	10.77	Coins struck if 20,000 as average productivity per die ᵖ	215,400
Original number of dies (O) (Esty 2011 formula) ᵖ (O)	13.13	Survival rate if 20,000 as average productivity per die ᵖ	0.00007
Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O)	80%	Die productivity if survival rate 1/2,000 ᵖ	2,785.52
Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ	797 kg <br /> 797 kg	Die productivity if survival rate 1/5,000 ᵖ	6,963.79

Remarks