S 1435 - Dyrrhachium, silver, drachma, 230-168 BC

Die study reference:	"[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Meta 2015, (series III, phase II - p. 61-130 du catalogue).
Coin series reference:

Obverse dies distribution

Frequency ^ᵖ	Number of obverses ^ᵖ (o)	% (o)	Number of coins (n)	% (n)	Die name
7	1	1.16	7	3.63	D15 (issue 15)
9	1	1.16	9	4.66
1	35	40.7	35	18.13	D1 (issue 12), D3 (issue 12), D5 (issue 12), D2 (issue 13), D4 (issue 13), D6 (issue 13), D11 (issue 13), D12 (issue 13), D3 (issue 14), D5 (issue 14), D7 (issue 14), D9 (issue 14), D4 (issue 15), D8 (issue 15), D9 (issue 15), D13 (issue 15), D16 (issue 15), D17 (issue 15), D19 (issue 15), D21 (issue 15), D1 (issue 16), D2 (issue 16), D5 (issue 16), D8 (issue 17), D10 (issue 17), D2 (issue 18), D3 (issue 18), D9 (issue 18), D10 (issue 18), D11 (issue 18), D15 (issue 18), D18 (issue 18), D1 (issue 19), D2 (issue 19), D3 (issue 19)
2	23	26.74	46	23.83	D2 (issue 12), D4 (issue 12), D1 (issue 13), D5 (issue 13), D9 (issue 13), D10 (issue 13), D2 (issue 14), D6 (issue 14), D8 (issue 14), D12 (issue 14), D1 (issue 15), D5 (issue 15), D3 (issue 16), D1 (issue 17), D2 (issue 17), D3 (issue 17), D7 (issue 17), D9 (issue 17), D11 (issue 17), D17 (issue 17), D5 (issue 18), D8 (issue 18), D16 (issue 18)
3	15	17.44	45	23.32	D7 (issue 13), D4 (issue 14), D10 (issue 14), D12 (issue 15), D18 (issue 15), D4 (issue 16), D4 (issue 17), D5 (issue 17), D12 (issue 17), D16 (issue 17), D18 (issue 17), D4 (issue 18), D6 (issue 18), D7 (issue 18), D14 (issue 18)
4	7	8.14	28	14.51	D1 (issue 14), D3 (issue 15), D6 (issue 15), D10 (issue 15), D11 (issue 15), D14 (issue 17), D15 (issue 17)
5	2	2.33	10	5.18	D2 (issue 15), D20 (issue 15)
6	2	2.33	12	6.22	D14 (issue 15), D12 (issue 18)
Total	86 of 86	100	192 of 193	99.48

Reverse dies distribution

no distribution is available

Quantification

Number of obverses ^ᵖ (o)	86	Number of singletons (o1) ^ᵖ	35
Number of reverse dies (r)	90	Number of coins (n)	193
Coins per obverse die (n/o)	2.24	Coins per reverse die (n/r)	2.14
Reverse per obverse ratio (r/o)	1.05	Percentage of singletons (o1) ^ᵖ	40.7 %
Original number of dies (O) (Carter 1983 formula) ^ᵖ	128.11	Coins struck if 20,000 as average productivity per die ^ᵖ	2,562,200
Original number of dies (O) (Esty 2011 formula) ^ᵖ (O)	155.12	Survival rate if 20,000 as average productivity per die ^ᵖ	0.00008
Coverage (o = % of O) (Esty 1984 formula) ^ᵖ (o = % of O)	81.87%	Die productivity if survival rate 1/2,000 ^ᵖ	3,013.04
Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ^ᵖ	9,736 kg <br /> 9,736 kg	Die productivity if survival rate 1/5,000 ^ᵖ	7,532.59

Remarks

References

^ Meta, Albana (2015), Le monnayage en argent de Dyrrachion. 375-60/55 av. J.-C., Athens, 405 p.