S 1192 - Mesembria, bronze 0.8g (helmet/wheel) (175-75 BCE)

Die Studies Database

SILVER ID ^ᵖ: 5420

175 BCE - 75 BCE Bronze

Description

Obverse:	Crested Corinthian helmet facing.
Reverse:	ΜΕΣΑ (Greek).Wheel surrounded by rays.

Mint and issuing power

Mint:

Mesembria

Ancient region:

Thrace

Modern country: Bulgaria

Authority:

Chronology

From

175 BCE

to

75 BCE

Period: Hellenistic 323-30 BC

Physical description

Metal:

Bronze

Median weight in grams

0.82

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.]]1Karayotov 2009, p. 187-189, no. 56-103.
Coin series reference:

Obverse dies distribution

Frequency ᵖ	Number of obverses ᵖ (o)	% (o)	Number of coins (n)	% (n)	Die name
1	5	45.45	5	18.52	16, 22, 23, 24, 26
2	2	18.18	4	14.81	18, 25
4	2	18.18	8	29.63	20, 21
5	2	18.18	10	37.04	17, 19
Total	11 of 11	99.99	27 of 27	100

Reverse dies distribution

no distribution is available

Quantification

Number of obverses ᵖ (o)	11	Number of singletons (o1) ᵖ	5
Number of reverse dies (r)	24	Number of coins (n)	27
Coins per obverse die (n/o)	2.45	Coins per reverse die (n/r)	1.13
Reverse per obverse ratio (r/o)	2.18	Percentage of singletons (o1) ᵖ	45.45 %
Original number of dies (O) (Carter 1983 formula) ᵖ	15.49	Coins struck if 20,000 as average productivity per die ᵖ	309,800
Original number of dies (O) (Esty 2011 formula) ᵖ (O)	18.56	Survival rate if 20,000 as average productivity per die ᵖ	0.00009
Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O)	81.48%	Die productivity if survival rate 1/2,000 ᵖ	3,486.12
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	8,715.3

Remarks