S 1908 - Oxus (uncertain mint) (Sophytes), silver, tetradrachms (Seleucus) (246-235 BCE)

Die Studies Database

SILVER ID ^ᵖ: 13288

246 BCE - 235 BCE Silver 1,099 kg

Description

Obverse:	Head of Seleukos(?) to right, wearing laurel-wreathed Attic helmet decorated with spiral pattern on crest and eagle wings on cheek-guard, tied under chin, M on bust truncation
Reverse:	ΣΩΦYΤΟΥ to right (Greek).Cockerel standing to right, kerykeion behind

Mint and issuing power

Mint:

Oxus (uncertain mint)

Ancient region:

Bactria

Modern country: Afghanistan

Authority:

Bactrian Kingdom, Sophytes

Chronology

From

246 BCE

to

235 BCE

Period: Hellenistic 323-30 BC

Physical description

Metal:

Silver

Median weight in grams

16.90

Denomination:

tetradrachm

Standard:

Attic

Image

]]S1908 Sophytes tetradrachms Male head.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.]]1Jansari 2018, p. 96
Coin series reference:

Obverse dies distribution

Frequency ᵖ	Number of obverses ᵖ (o)	% (o)	Number of coins (n)	% (n)	Die name
1	1	50	1	25	2
3	1	50	3	75	1
Total	2 of 2	100	4 of 4	100

Reverse dies distribution

no distribution is available

Quantification

Number of obverses ᵖ (o)	2	Number of singletons (o1) ᵖ	1
Number of reverse dies (r)	2	Number of coins (n)	4
Coins per obverse die (n/o)	2	Coins per reverse die (n/r)	2
Reverse per obverse ratio (r/o)	1	Percentage of singletons (o1) ᵖ	50 %
Original number of dies (O) (Carter 1983 formula) ᵖ	3.25	Coins struck if 20,000 as average productivity per die ᵖ	65,000
Original number of dies (O) (Esty 2011 formula) ᵖ (O)	4	Survival rate if 20,000 as average productivity per die ᵖ	0.00006
Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O)	75%	Die productivity if survival rate 1/2,000 ᵖ	2,461.54
Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ	1,099 kg <br /> 1,099 kg	Die productivity if survival rate 1/5,000 ᵖ	6,153.85

Remarks