RQEM ad. 24 - Edessa (Macedon) (Alexander Severus), bronze, dupondii (222-231 CE)

Die Studies Database

SILVER ID ^ᵖ: 1568

222 CE - 231 CE Bronze

Description

Obverse:	Αὐ(τοκράτωρ) Κ(αίσαρ) M(ᾶρκος) A(ὐρήλιος) Σε(υῆρος) Ἀλεξανδρος (Greek).Bust of Severus Alexander right, wearing laurel wreath, armour and drapery. Border of dots.
Reverse:	Several legends: 1) ᾽Εδεσσαίων ; 2) ᾽Εδεσσέων (Greek).Personified Rome seated on shield and armour left, wearing Attic helmet and chiton, dagger in the belt, holding Nike stephanephoros in right hand. Behind her, personified Edessa, facing, wearing mural crown and peplos, crowning Rome. At the City feet, right, goat. Border of dots.

Mint and issuing power

Mint:

Edessa

Ancient region:

Macedon

Modern country: Greece

Authority:

Alexander Severus (Roman emperor, 222-235 AD), Roman Empire

Chronology

From

222 CE

to

231 CE

Period: Roman from 30 BC

Physical description

Metal:

Bronze

Median weight in grams

10.40

Denomination:

dupondius

Standard:

Image

]]RQEM_ad_24.png "Paris, BnF, Fonds général 712 (https" has not been listed as valid URI scheme.[Paris, BnF, Fonds général 712 (https://gallica.bnf.fr/ark:/12148/btv1b8590466x)]

References

Die study reference:	"[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Papaefthymiou 2002, p. 72-76, no. 1-19.
Coin series reference:
Coin series web reference:	https://rpc.ashmus.ox.ac.uk/coins/6/131 https://rpc.ashmus.ox.ac.uk/coins/6/132 https://rpc.ashmus.ox.ac.uk/coins/6/133 https://rpc.ashmus.ox.ac.uk/coins/6/134 https://rpc.ashmus.ox.ac.uk/coins/6/135 https://rpc.ashmus.ox.ac.uk/coins/6/136

Obverse dies distribution

Frequency ᵖ	Number of obverses ᵖ (o)	% (o)	Number of coins (n)	% (n)	Die name
1	3	37.5	3	10.34	3, 5, 6
2	1	12.5	2	6.9	7
4	1	12.5	4	13.79	2
5	1	12.5	5	17.24	8
6	1	12.5	6	20.69	1
9	1	12.5	9	31.03	4
Total	8 of 8	100	29 of 29	99.99

Reverse dies distribution

no distribution is available

Quantification

Number of obverses ᵖ (o)	8	Number of singletons (o1) ᵖ	3
Number of reverse dies (r)	17	Number of coins (n)	29
Coins per obverse die (n/o)	3.63	Coins per reverse die (n/r)	1.71
Reverse per obverse ratio (r/o)	2.13	Percentage of singletons (o1) ᵖ	37.5 %
Original number of dies (O) (Carter 1983 formula) ᵖ	9.56	Coins struck if 20,000 as average productivity per die ᵖ	191,200
Original number of dies (O) (Esty 2011 formula) ᵖ (O)	11.05	Survival rate if 20,000 as average productivity per die ᵖ	0.00015
Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O)	89.66%	Die productivity if survival rate 1/2,000 ᵖ	6,066.95
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	15,167.36

Remarks

The coinage of Severus Alexander is divided in 3 issues dated in 222-225 AD, 225-228 AD and 228-231 AD. Metrology p. 189-209.