Taras, silver, didrachms (450-415 BCE)

Die Studies Database

SILVER IDUnique ID of the page ^ᵖ: 7597

450 - 415 Silver 8,732 kg

Description

ObverseInscription or printing placed on the obverse.:	TAPAΣ (Greek).
ReverseInscription or printing placed on the reverse.:

Mint and issuing power

MintIdentifies the place of manufacture or issue of a numismatic object.:

Taras

Ancient regionAncient region.:

Calabria

Modern countryModern country: Italy

AuthorityIdentifies the issuing power. The authority can be "pretended" when the name or the portrait of X is on the coin but he/she was not the issuing power. It can also be "uncertain" when there is no mention of X on the coin but he/she was the issuing power according to the historical sources:

Chronology

FromIdentifies the initial date in a range assigned in a numismatic context.

450

toIdentifies the final date in a range assigned in a numismatic context..

415

PeriodTime period of the numismatic object.: Classical 480-323 BC

Physical description

MetalThe physical material (usually metal) from which an object is made.:	Silver	DenominationTerm indicating the value of a numismatic object. Examples: tetradrachm, chalkous, denarius.:	didrachm	StandardStandard.:
Mode weightMode of the weights of numismatic objects (in grams).:	7,5-9<ul><li>No units of measurement were declared for this property.</li> <!--br--><li>",5-9" is not declared as a valid unit of measurement for this property.</li></ul>

References

Die study referencePublication of the study:	W. Fischer-Bossert1W. Fischer-Bossert, Chronologie der Didrachmenprägung von Tarent 510-280 v. Chr., AMUGS XIV, Berlin-New York, 1999, groupes 10-18 (variantes 134-284 : D70-D128 et R92-R216).
Coin series referenceReference to coin series study:

Obverse dies distribution

FrequencyFrequency of specimen in distribution. ᵖ	Number of obversesNumber of obverse dies. ᵖ (o)	% (o)	Number of coinsNumber of coins. (n)	% (n)	Die nameName(s) of the die(s).
1	8	13.56	8	0.89	72, 90, 100, 104, 105, 108, 115, 122
2	5	8.47	10	1.11	86, 87, 103, 112, 114
3	5	8.47	15	1.67	71, 93, 97, 102, 121
4	2	3.39	8	0.89	95, 96
5	2	3.39	10	1.11	92, 99
6	3	5.08	18	2.01	73, 74, 94
7	2	3.39	14	1.56	70, 76
8	1	1.69	8	0.89	75
10	1	1.69	10	1.11	107
12	1	1.69	12	1.34	80
13	1	1.69	13	1.45	91
14	1	1.69	14	1.56	84
15	3	5.08	45	5.02	79, 81, 109
16	3	5.08	48	5.35	82, 98, 128
17	1	1.69	17	1.9	88
18	1	1.69	18	2.01	110
19	1	1.69	19	2.12	89
20	1	1.69	20	2.23	85
21	2	3.39	42	4.68	78, 106
22	1	1.69	22	2.45	117
25	2	3.39	50	5.57	77, 126
26	1	1.69	26	2.9	111
27	1	1.69	27	3.01	119
30	1	1.69	30	3.34	120
32	1	1.69	32	3.57	118
35	1	1.69	35	3.9	83
42	1	1.69	42	4.68	124
43	2	3.39	86	9.59	116, 101
44	1	1.69	44	4.91	127
47	1	1.69	47	5.24	125
49	1	1.69	49	5.46	113
58	1	1.69	58	6.47	123
Total	59 of 59	99.88	897 of 897	99.99

Reverse dies distribution

no distribution is available

Quantification

Number of obversesNumber of obverse dies. ᵖ (o)	59	Number of singletons (o1)The number of singleton coins. ᵖ	8
Number of reverse diesNumber of reverse dies. (r)	125	Number of coinsNumber of coins. (n)	897
Coins per obverse dieNumber of coins per obverse die. (n/o)	15.2	Coins per reverse dieNumber of coins per reverse die. (n/r)	7.18
Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o)	2.12	Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ	13.56 %
Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ	58.21	Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ	1,164,200
Original number of dies (O) (Esty 2011 formula)The estimation of the number of coins according to the singleton formula in Esty 2011 ᵖ (O)	63.15	Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ	0.00077
Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O)	99.11%	Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ	30,819.45
Weight of silver (in kg) if 20,000 coins per die (O = Carter formula)Carter 1983 * Median weight * 20000 (*10 if gold or electrum) ᵖ	0 kg <br /> 8,732 kg	Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ	77,048.62

Remarks