Taras, silver, didrachms (480-450 BCE)

Die Studies Database

SILVER IDUnique ID of the page ^ᵖ: 7488

480 - 450 Silver 6,044 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.

480

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

450

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).:	7,9-9<ul><li>No units of measurement were declared for this property.</li> <!--br--><li>",9-9" 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 4-9 (variantes 70-133 : D31-D69 et R54-R91).
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	2	5.26	2	0.43	58, 67
2	4	10.53	8	1.73	36, 42, 54, 59
3	4	10.53	12	2.6	53, 61, 63, 66
4	1	2.63	4	0.87	46
5	1	2.63	5	1.08	52
6	2	5.26	12	2.6	47, 57
7	3	7.89	21	4.55	35, 38, 68
8	2	5.26	16	3.46	34, 37
10	2	5.26	20	4.33	48, 51
11	1	2.63	11	2.38	40
12	3	7.89	36	7.79	43, 50, 60
14	3	7.89	42	9.09	31, 65, 69
16	2	5.26	32	6.93	32, 62
17	1	2.63	17	3.68	45
19	1	2.63	19	4.11	33
20	1	2.63	20	4.33	55
24	2	5.26	48	10.39	39, 64
34	1	2.63	34	7.36	56
48	1	2.63	48	10.39	49
55	1	2.63	55	11.9	41
Total	38 of 38	99.96	462 of 462	100

Reverse dies distribution

no distribution is available

Quantification

Number of obversesNumber of obverse dies. ᵖ (o)	39	Number of singletons (o1)The number of singleton coins. ᵖ	2
Number of reverse diesNumber of reverse dies. (r)	38	Number of coinsNumber of coins. (n)	527
Coins per obverse dieNumber of coins per obverse die. (n/o)	13.51	Coins per reverse dieNumber of coins per reverse die. (n/r)	13.87
Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o)	0.97	Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ	5.13 %
Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ	38.74	Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ	774,800
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)	42.12	Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ	0.00061
Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O)	99.62%	Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ	27,207.02
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 /> 6,044 kg	Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ	68,017.55

Remarks