Taras, silver, didrachms (355-340 BCE)

Die Studies Database

SILVER IDUnique ID of the page ^ᵖ: 7828

355 - 340 Silver 2,399 kg

Description

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

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.

355

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

340

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).:	7,8-9<ul><li>No units of measurement were declared for this property.</li> <!--br--><li>",8-9" 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 43-49 (variantes 629-692: D245-D260 et R484a-R539).
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).
4	1	6.25	4	0.66	257
5	1	6.25	5	0.82	249
6	1	6.25	6	0.99	247
14	2	12.5	28	4.61	245, 258
18	1	6.25	18	2.96	248
22	1	6.25	22	3.62	250
25	1	6.25	25	4.11	255
26	1	6.25	26	4.28	246
34	1	6.25	34	5.59	254
48	1	6.25	48	7.89	256
56	1	6.25	56	9.21	260
73	1	6.25	73	12.01	253
76	1	6.25	76	12.5	251
87	1	6.25	87	14.31	252
100	1	6.25	100	16.45	259
Total	16 of 16	100	608 of 608	100.01

Reverse dies distribution

no distribution is available

Quantification

Number of obversesNumber of obverse dies. ᵖ (o)	16	Number of singletons (o1)The number of singleton coins. ᵖ
Number of reverse diesNumber of reverse dies. (r)	56	Number of coinsNumber of coins. (n)	608
Coins per obverse dieNumber of coins per obverse die. (n/o)	38	Coins per reverse dieNumber of coins per reverse die. (n/r)	10.86
Reverse per obverse ratioRatio of obverse dies divided by reverse dies. (r/o)	3.5	Percentage of singletons (o1)number of coins (n) divided by the number of singletons (o1) ᵖ	%
Original number of dies (O) (Carter 1983 formula)The estimation of the number of coins according to Carter 1983 ᵖ	15.28	Coins struck if 20,000 as average productivity per dieCoins made if the average productivity for obverses (according to Carter) is 20,000. ᵖ	305,600
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)	16.43	Survival rate if 20,000 as average productivity per dieSurvival rate if average productivity is 20,000. ᵖ	0.00199
Coverage (o = % of O) (Esty 1984 formula)Esty 1984 - coverage (% of O) ᵖ (o = % of O)	%	Die productivity if survival rate 1/2,000Average productivity if survival rate is 1/2,000. ᵖ	79,581.15
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 /> 2,399 kg	Die productivity if survival rate 1/5,000Average productivity if survival rate is 1/5,000. ᵖ	198,952.88

Remarks