Ancyra (?) (Galatians), silver, drachms (Heracles/seated Zeus) (250-200 BCE)

Die Studies Database

SILVER ID ^ᵖ: 10992

250 BCE - 200 BCE Silver 1,739 kg

Description

Obverse:	Celticized head of Herakles to right, wearing lion skin headdress
Reverse:	Celticized Zeus seated left on low throne, holding long scepter in his left hand and eagle standing right with closed wings in his right, to left, forepart of a lion, to right, imitative legend

Mint and issuing power

Mint:

Ancyra

Ancient region:

Galatia

Modern country: Turkey

Authority:

Alexander III the Great (Argead king, 336-323 BC)

Chronology

From

250 BCE

to

200 BCE

Period: Hellenistic 323-30 BC

Physical description

Metal:

Silver

Median weight in grams

3.60

Denomination:

drachma

Standard:

Attic

Image

]]S1573 Alexander Galatians.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.]]1Fischer-Bossert 2021
Coin series reference:

Obverse dies distribution

Frequency ᵖ	Number of obverses ᵖ (o)	% (o)	Number of coins (n)	% (n)	Die name
1	8	40	8	11.43	5, 6, 7, 8, 9, 15, 17, 19
2	4	20	8	11.43	3, 12, 13, 18
3	3	15	9	12.86	1, 2, 11
4	2	10	8	11.43	10, 14
6	1	5	6	8.57	20
8	1	5	8	11.43	16
23	1	5	23	32.86	4
Total	20 of 20	100	70 of 70	100.01

Reverse dies distribution

no distribution is available

Quantification

Number of obverses ᵖ (o)	20	Number of singletons (o1) ᵖ	8
Number of reverse dies (r)	55	Number of coins (n)	70
Coins per obverse die (n/o)	3.5	Coins per reverse die (n/r)	1.27
Reverse per obverse ratio (r/o)	2.75	Percentage of singletons (o1) ᵖ	40 %
Original number of dies (O) (Carter 1983 formula) ᵖ	24.15	Coins struck if 20,000 as average productivity per die ᵖ	483,000
Original number of dies (O) (Esty 2011 formula) ᵖ (O)	28	Survival rate if 20,000 as average productivity per die ᵖ	0.00014
Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O)	88.57%	Die productivity if survival rate 1/2,000 ᵖ	5,797.1
Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ	1,739 kg <br /> 1,739 kg	Die productivity if survival rate 1/5,000 ᵖ	14,492.75

Remarks