S 1429 - Ecbatana (Alexander Balas), bronze, dichalka (152-145 BCE)

Die Studies Database

SILVER ID ^ᵖ: 9700

152 BCE - 145 BCE Bronze

Description

Obverse:
Reverse:

Mint and issuing power

Mint:

Ecbatana

Ancient region:

Media

Modern country: Iran

Authority:

Alexander I Balas (Seleucid king, 152-145 BC), Seleucid Dynasty (312-63 BC)

Chronology

From

152 BCE

to

145 BCE

Period: Hellenistic 323-30 BC

Physical description

Metal:

Bronze

Denomination:

dichalkon

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. 263-264, no. 1270-1274.
Coin series reference:

Obverse dies distribution

Frequency ᵖ	Number of obverses ᵖ (o)	% (o)	Number of coins (n)	% (n)	Die name
1	3	75	3	60	D1, D2, D4
2	1	25	2	40	D3
Total	4 of 4	100	5 of 5	100

Reverse dies distribution

no distribution is available

Quantification

Number of obverses ᵖ (o)	4	Number of singletons (o1) ᵖ	3
Number of reverse dies (r)	0	Number of coins (n)	5
Coins per obverse die (n/o)	1.25	Coins per reverse die (n/r)
Reverse per obverse ratio (r/o)	0	Percentage of singletons (o1) ᵖ	75 %
Original number of dies (O) (Carter 1983 formula) ᵖ	15.6	Coins struck if 20,000 as average productivity per die ᵖ	312,000
Original number of dies (O) (Esty 2011 formula) ᵖ (O)	20	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%	Die productivity if survival rate 1/2,000 ᵖ	641.03
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	1,602.56

Remarks