S 171 - Iulis, silver, obols (515-490/80 BCE)

Die study reference:	"[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Papageorgiadou-Banis 1997, p. 83-84, n° 9-13, "[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2Sheedy 2006, p. 163, no. 9-13.
Coin series reference:
Coin series web reference:	Papageorgiadou-Banis 1997: 20 coins, 4 obv., 5 rev. "Papageorgiadou-Banis 1997" has not been listed as valid URI scheme.

no distribution is available

Number of obverses ^ᵖ (o)	4	Number of singletons (o1) ^ᵖ	2
Number of reverse dies (r)	5	Number of coins (n)	21
Coins per obverse die (n/o)	5.25	Coins per reverse die (n/r)	4.2
Reverse per obverse ratio (r/o)	1.25	Percentage of singletons (o1) ^ᵖ	50 %
Original number of dies (O) (Carter 1983 formula) ^ᵖ	4.4	Coins struck if 20,000 as average productivity per die ^ᵖ	88,000
Original number of dies (O) (Esty 2011 formula) ^ᵖ (O)	4.94	Survival rate if 20,000 as average productivity per die ^ᵖ	0.00024
Coverage (o = % of O) (Esty 1984 formula) ^ᵖ (o = % of O)	90.48%	Die productivity if survival rate 1/2,000 ^ᵖ	9,545.45
Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ^ᵖ	88 kg <br /> 88 kg	Die productivity if survival rate 1/5,000 ^ᵖ	23,863.64

Most likely one single workstation Papageorgiadou-Banis 1997: 20 coins, 4 obv., 5 rev.

References

^ Papageorgiadou-Banis, Charikleia (1997), The Coinage of Kea, Meletemata 24, Athens, viii, 107 p., 21 pl.
^ Sheedy, Kenneth A. (2006), The Archaic and Early Classical Coinages of the Cyclades, RNS Spec. Publ. 40, London, viii, 261 p., 20 pl.