Populonia, silver, 20 asses (300-250 BCE)

Die study reference:	"[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Vecchi 1990, p. 9-22, n° 13-69, "[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2Vecchi 2012, p. 127-199, "[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]3Giannoni 2018, p. 7-8
Coin series reference:	"[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]4Sear I, n° 274-275, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]5HN Italy, n° 142-153, "[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]6HGC 1, n° 103-114
Coin series web reference:	https://greekcoinage.org/iris/id/populonia.hn italy.145 https://greekcoinage.org/iris/id/populonia.hn italy.151 https://greekcoinage.org/iris/id/populonia.hn italy.152 https://greekcoinage.org/iris/id/populonia.hn italy.153

Frequency ^ᵖ	Number of obverses ^ᵖ (o)	% (o)	Number of coins (n)	% (n)	Die name
1	15	38.46	15	4.14	1X//X, 1°XuX°, 3°X.:.X°, 6XX, 7XX, 8XX, 12XX, 17XX, 3X:X, 6X:X, 9X:X, 10X:X, 11X:X
2	1	2.56	2	0.55	10XX
3	5	12.82	15	4.14	4XX, 11XX, 15XX, 16XX, 2X..X
4	2	5.13	8	2.21	5XX, 9XX
5	2	5.13	10	2.76	13XX, 14XX
6	1	2.56	6	1.66	2°X.:.X°
7	1	2.56	7	1.93	2XX
8	1	2.56	8	2.21	5X:X
9	2	5.13	18	4.97	1°X.:.X°, 1X..X
11	1	2.56	11	3.04	1X°X
14	1	2.56	14	3.87	4X:X
16	1	2.56	16	4.42	7X:X
20	2	5.13	40	11.05	1°X:X°, 1XX
24	1	2.56	24	6.63	3XX
26	1	2.56	26	7.18	8X:X
41	1	2.56	41	11.33	2X:X
101	1	2.56	101	27.9	1X:X
Total	39 of 39	99.96	362 of 362	99.99

no distribution is available

Number of obverses ^ᵖ (o)	39	Number of singletons (o1) ^ᵖ	15
Number of reverse dies (r)	20	Number of coins (n)	362
Coins per obverse die (n/o)	9.28	Coins per reverse die (n/r)	18.1
Reverse per obverse ratio (r/o)	0.51	Percentage of singletons (o1) ^ᵖ	38.46 %
Original number of dies (O) (Carter 1983 formula) ^ᵖ	39.87	Coins struck if 20,000 as average productivity per die ^ᵖ	797,400
Original number of dies (O) (Esty 2011 formula) ^ᵖ (O)	43.71	Survival rate if 20,000 as average productivity per die ^ᵖ	0.00045
Coverage (o = % of O) (Esty 1984 formula) ^ᵖ (o = % of O)	95.86%	Die productivity if survival rate 1/2,000 ^ᵖ	18,159.02
Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ^ᵖ	6,459 kg <br /> 6,459 kg	Die productivity if survival rate 1/5,000 ^ᵖ	45,397.54

Most likely one single workstation

References

^ Vecchi, Italo (1990), "The Coinage of the Rasna. A Study in Etruscan Numismatics. Part II: Populonia's didenarii", Schweizerische numismatische Rundschau, 69, p. 5-25.
^ Vecchi, Italo (2012), Etruscan coinage: a corpus of the struck coinage of the Rasna, together with an historical and economic commentary on the issues (gold, silver and bronze), Milan, Ennerre, 590 p. (135 pl.).
^ Giannoni, Luciano (2018), Schede quantitative delle emissioni monetali etrusche, unpublished manuscript, s.l., 13 p.
^ Sear, David R. (1978), Greek coins and their values. Vol. I, Europe, London, xl, 316 p.
^ Rutter N. Keith et alii (eds.) (2001), Historia Numorum Italy, London, xvi, 223 p., 43 pl.
^ Hoover, Oliver D. (2018), The Handbook of Greek Coinage Series, Volume 1. Handbook of Coins of Italy and Magna Graecia, Sixth to First Centuries BC., Lancaster-London, 2018, lxi, 527 pages, 23 cm