S 1270 - Bactria (uncertain mint) (Agathocles), silver, tetradrachms (190-180 BCE)

Die Studies Database

SILVER ID ^ᵖ: 9265

190 BCE - 180 BCE Silver 13,319 kg

Description

Obverse:

ΑΛΕΧΑΝΔΡΟΥ ΤΟΥ ΦΙΛΙΠΠΟΥ (no. 109-118) ; ΑΝΤΙΟΧΟΥ ΝΙΚΑΤΟΡΟΣ (no. 121-137) ; ΘΕΟΥ ΔΙOΔΟΤΟΥ (no. 138) ; ΔΗΜΗΤΡΙΟΥ ΑΝΙΚΗΤΟΥ (no. 139-147) ; ΔΙΟΔΟΤΟΥ ΣΩΤΗΡΟΣ (no. 149-171) ; EΥΘΥΔΗΜΟΥ ΘΕΟΥ (no. 173-203) (Greek).Several types: 1) Bust of king right, wearing diadem, (drapery around neck). Border of dots (no. 1-108, 119-138, 149-205), 2) Head of Heracles right, wearing lion scalp (no. 109-118), 3) Head of king right, wearing diadem and elephant scalp (no. 139-147).

Reverse:

ΒΑΣΙΛΕΩΣ (or ΒΑΣΙΛΕΥΟΝΤΟΣ) (DΙKAΙΟY) ΑΓΑΘΟΚΛΕΟΥΣ (no. 1-120, 121-137, 139-147, 149-171, 173-205) ; ΑΝΤΙΟΧΟΥ ΝΙΚΑΤΟΡΟΣ (no. 119-120) ; ΔΙΟΔΟΤΟΥ ΣΩΤΗΡΟΣ (no. 148) ; EΥΘΥΔΗΜΟΥ ΜΕΓΑΛΟΥ (no. 172) (Greek).Several types: 1) Zeus standing facing, wearing drapery, holding scepter in left hand and Hecate with two torches on outstreched right hand. In left field, monogram (no. 1-108), 2) Zeus seated on throne left, holding scepter and bird. In field, monogram (no. 109-118), 3) Zeus standing left, brandishing thunderbolt, holding aegis on left arm. At feet, eagle left. In field, monogram (and wreath) (no. 119-138, 148-171), 4) Heracles, standing facing, crowning himself with right hand, holding club and lion skin over left arm. In left field, monogram (no. 139-147), 5) Heracles seated on rock, (draped with lion skin), holding club resting on knee in right hand. (In field, monogram) (no. 172-203), 6) Zeus seated on throne left, holding scepter in left hand and Hecate with two torches on outstreched right hand. Under throne, monogram (no. 204-205)

Mint and issuing power

Mint:

Bactria (uncertain mint)

Ancient region:

Bactria

Modern country: Afghanistan

Authority:

Agathocles Dikaios (Indo-Greek king, c. 190-180 BC), Bactrian Kingdom

Chronology

From

190 BCE

to

180 BCE

Period: Hellenistic 323-30 BC

Physical description

Metal:

Silver

Median weight in grams

16.50

Denomination:

tetradrachm

Standard:

Attic

References

Die study reference:	"[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Glenn 2020, p. 313-325, no. 1-205.
Coin series reference:

Obverse dies distribution

Frequency ᵖ	Number of obverses ᵖ (o)	% (o)	Number of coins (n)	% (n)	Die name
1	7	18.92	7	3.41	O12, O13, O17, O20, O24, O34, O36
2	5	13.51	10	4.88	O7, O11, O19, O30, O37
3	5	13.51	15	7.32	O8, O14, O23, O25, O35
4	2	5.41	8	3.9	O4, O5
5	4	10.81	20	9.76	O2, O15, O16, O29
6	3	8.11	18	8.78	O6, O22, O26
7	1	2.7	7	3.41	O18
8	2	5.41	16	7.8	O28, O33
10	2	5.41	20	9.76	O21 (including O21bis), O31 (including O31bis)
11	1	2.7	11	5.37	O10
12	1	2.7	12	5.85	O9
21	1	2.7	21	10.24	O3
22	1	2.7	22	10.73	O1
9	2	5.41	18	8.78	O28, O33
Total	37 of 37	100	205 of 205	99.99

Reverse dies distribution

no distribution is available

Quantification

Number of obverses ᵖ (o)	37	Number of singletons (o1) ᵖ	7
Number of reverse dies (r)	107	Number of coins (n)	205
Coins per obverse die (n/o)	5.54	Coins per reverse die (n/r)	1.92
Reverse per obverse ratio (r/o)	2.89	Percentage of singletons (o1) ᵖ	18.92 %
Original number of dies (O) (Carter 1983 formula) ᵖ	40.36	Coins struck if 20,000 as average productivity per die ᵖ	807,200
Original number of dies (O) (Esty 2011 formula) ᵖ (O)	45.15	Survival rate if 20,000 as average productivity per die ᵖ	0.00025
Coverage (o = % of O) (Esty 1984 formula) ᵖ (o = % of O)	96.59%	Die productivity if survival rate 1/2,000 ᵖ	10,158.57
Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ᵖ	13,319 kg <br /> 13,319 kg	Die productivity if survival rate 1/5,000 ᵖ	25,396.43

Remarks