Mesembria, bronze 3.20g (helmet/wheel) (175-75 BCE)

Die Studies Database

SILVER ID ^ᵖ: 5108

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

3.20

Denomination:

Standard:

Image

]]RQEM ad. 1191 - Mesembria, bronze, 175-75 BC.jpg [1]

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. 184-187, no. 1-55.
Coin series reference:

Obverse dies distribution

Frequency ᵖ	Number of obverses ᵖ (o)	% (o)	Number of coins (n)	% (n)	Die name
1	5	33.33	5	10.42	10, 11, 12, 14, 15
2	3	20	6	12.5	1, 9, 13
3	1	6.67	3	6.25	6
4	2	13.33	8	16.67	3, 7
5	1	6.67	5	10.42	4
6	1	6.67	6	12.5	2
7	1	6.67	7	14.58	8
8	1	6.67	8	16.67	5
Total	15 of 15	100.01	48 of 48	100.01

Reverse dies distribution

no distribution is available

Quantification

Number of obverses ᵖ (o)	15	Number of singletons (o1) ᵖ	5
Number of reverse dies (r)	32	Number of coins (n)	48
Coins per obverse die (n/o)	3.2	Coins per reverse die (n/r)	1.5
Reverse per obverse ratio (r/o)	2.13	Percentage of singletons (o1) ᵖ	33.33 %
Original number of dies (O) (Carter 1983 formula) ᵖ	18.62	Coins struck if 20,000 as average productivity per die ᵖ	372,400
Original number of dies (O) (Esty 2011 formula) ᵖ (O)	21.82	Survival rate if 20,000 as average productivity per die ᵖ	0.00013
Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O)	89.58%	Die productivity if survival rate 1/2,000 ᵖ	5,155.75
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	12,889.37

Remarks