S 74 - Aradus (Ptolemy VI), silver, tetradrachms (180-145 BCE) Duyrat

Die Studies Database

SILVER ID ^ᵖ: 9010

180 BCE - 145 BCE Silver 16,644 kg

Description

Obverse:	Head of Ptolemy I diademed
Reverse:	ΠΤΟΛΕΜΑΙΟΥ ΣΩΤΗΡΟΣ (Greek).Eagle standing to left on thunderbolt, date in field

Mint and issuing power

Mint:

Aradus

Ancient region:

Phoenicia

Modern country: Syria

Authority:

Ptolemaic dynasty (323-30 BC), Ptolemy I Soter (satrap and Ptolemaic king of Egypt, 323-305 BC), Ptolemy VI Philometor (Ptolemaic king, 180-145 BC)

Chronology

From

180 BCE

to

145 BCE

Period: Hellenistic 323-30 BC

Physical description

Metal:

Silver

Median weight in grams

14.25

Denomination:

tetradrachm

Standard:

Ptolemaic

Image

]]S 74 - Aradus (Ptolemy VI), silver, tetradrachms (180-145 BCE) Duyrat.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.]]1Duyrat 2005, p. 116-117.
Coin series reference:

Obverse dies distribution

Frequency ᵖ	Number of obverses ᵖ (o)	% (o)	Number of coins (n)	% (n)	Die name
1	16	32	16	8.08
2	8	16	16	8.08
3	8	16	24	12.12
4	4	8	16	8.08
5	5	10	25	12.63
7	3	6	21	10.61
9	3	6	27	13.64
12	1	2	12	6.06
13	1	2	13	6.57
28	1	2	28	14.14
Total	50 of 50	100	198 of 198	100.01

Reverse dies distribution

no distribution is available

Quantification

Number of obverses ᵖ (o)	50	Number of singletons (o1) ᵖ	16
Number of reverse dies (r)	140	Number of coins (n)	198
Coins per obverse die (n/o)	3.96	Coins per reverse die (n/r)	1.41
Reverse per obverse ratio (r/o)	2.8	Percentage of singletons (o1) ᵖ	32 %
Original number of dies (O) (Carter 1983 formula) ᵖ	58.4	Coins struck if 20,000 as average productivity per die ᵖ	1,168,000
Original number of dies (O) (Esty 2011 formula) ᵖ (O)	66.89	Survival rate if 20,000 as average productivity per die ᵖ	0.00017
Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O)	91.92%	Die productivity if survival rate 1/2,000 ᵖ	6,780.82
Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ	16,644 kg <br /> 16,644 kg	Die productivity if survival rate 1/5,000 ᵖ	16,952.05

Remarks