S 1353 - Ecbatana (Mithridates I), bronze, chalkoi (145-138 BCE)

Die Studies Database

SILVER ID ^ᵖ: 8522

145 BCE - 138 BCE Bronze

Description

Obverse:	Bust of the king right, wearing diadem. Border of dots.
Reverse:	ΒΑΣΙΛΕΩΣ ΜΕΓΑΛΟΥ ΑΡΣΑΚΟΥ (Greek).Bust of the king left, wearing bashlik.

Mint and issuing power

Mint:

Ecbatana

Ancient region:

Media

Modern country: Iran

Authority:

Parthian Empire, Mithridates I (king of the Parthian Empire, 171-138 BC)

Chronology

From

145 BCE

to

138 BCE

Period: Hellenistic 323-30 BC

Physical description

Metal:

Bronze

Median weight in grams

1.90

Denomination:

chalkous

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. 278, no. 1339.
Coin series reference:

Obverse dies distribution

Frequency ᵖ	Number of obverses ᵖ (o)	% (o)	Number of coins (n)	% (n)	Die name
1	4	80	4	80	2, 3, 4, 5
2	1	20	2	40	1
Total	5 of 5	100	6 of 5	120

Reverse dies distribution

no distribution is available

Quantification

Number of obverses ᵖ (o)	5	Number of singletons (o1) ᵖ	4
Number of reverse dies (r)		Number of coins (n)	5
Coins per obverse die (n/o)	1	Coins per reverse die (n/r)
Reverse per obverse ratio (r/o)		Percentage of singletons (o1) ᵖ	80 %
Original number of dies (O) (Carter 1983 formula) ᵖ	294.12	Coins struck if 20,000 as average productivity per die ᵖ	5,882,400
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)	20%	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