S 973 - Tigranocerta (Tigranes II), silver, tetradrachms (70-55 BCE)

Die Studies Database

SILVER ID ^ᵖ: 8893

70 BCE - 55 BCE Silver 5,014 kg

Description

Obverse:
Reverse:	ΒΑΣΙΛΕΩΣ TIΓΡΑΝΟΥ (Greek).

Mint and issuing power

Mint:

Tigranocerta

Ancient region:

Armenia

Modern country: Turkey

Authority:

Tigranes II of Armenia (Artaxiad king, c. 95-56 BC)

Chronology

From

70 BCE

to

55 BCE

Period: Hellenistic 323-30 BC

Physical description

Metal:

Silver

Median weight in grams

15.40

Denomination:

tetradrachm

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.]]1Moushegian - Depeyrot 1999, catalogue: p. 204-207, no. 28-33).
Coin series reference:

Obverse dies distribution

Frequency ᵖ	Number of obverses ᵖ (o)	% (o)	Number of coins (n)	% (n)	Die name
1	4	25	4	2.55
2	1	6.25	2	1.27
3	3	18.75	9	5.73
4	2	12.5	8	5.1
5	2	12.5	10	6.37
8	1	6.25	8	5.1
13	1	6.25	13	8.28
19	1	6.25	19	12.1
25	1	6.25	25	15.92
29	1	6.25	29	18.47
30	1	6.25	30	19.11
Total	18 of 16	112.5	157 of 157	100

Reverse dies distribution

no distribution is available

Quantification

Number of obverses ᵖ (o)	16	Number of singletons (o1) ᵖ	4
Number of reverse dies (r)	117	Number of coins (n)	157
Coins per obverse die (n/o)	9.81	Coins per reverse die (n/r)	1.34
Reverse per obverse ratio (r/o)	7.31	Percentage of singletons (o1) ᵖ	25 %
Original number of dies (O) (Carter 1983 formula) ᵖ	16.28	Coins struck if 20,000 as average productivity per die ᵖ	325,600
Original number of dies (O) (Esty 2011 formula) ᵖ (O)	17.82	Survival rate if 20,000 as average productivity per die ᵖ	0.00048
Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O)	97.45%	Die productivity if survival rate 1/2,000 ᵖ	19,287.47
Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ	5,014 kg <br /> 5,014 kg	Die productivity if survival rate 1/5,000 ᵖ	48,218.67

Remarks