Camarina, silver, didrachms (492-485 BCE)

492 BCE - 485 BCE Silver 1,625 kg

Obverse:	Corinthian helmet left, superimposed on a circular shield with convex surface and flat rim
Reverse:	KAM – API (Greek).Dwarf palm tree with three branches of fan-shaped leaves, each branch marked with protruding spines, to left of central branch, small group of fruits, flanking tree, a pair of greaves

Sicily

492 BCE

485 BCE

Period: Archaic ^{until 480 BC}

Silver

8.70

didrachm

Die study reference:	"[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Westermark - Jenkins 1980, n° 1-9
Coin series reference:
Coin series web reference:	https://greekcoinage.org/iris/id/camarina.westermark jenkins 1980.1-9

no distribution is available

Number of obverses ^ᵖ (o)	7	Number of singletons (o1) ^ᵖ	3
Number of reverse dies (r)	7	Number of coins (n)	19
Coins per obverse die (n/o)	2.71	Coins per reverse die (n/r)	2.71
Reverse per obverse ratio (r/o)	1	Percentage of singletons (o1) ^ᵖ	42.86 %
Original number of dies (O) (Carter 1983 formula) ^ᵖ	9.34	Coins struck if 20,000 as average productivity per die ^ᵖ	186,800
Original number of dies (O) (Esty 2011 formula) ^ᵖ (O)	11.08	Survival rate if 20,000 as average productivity per die ^ᵖ	0.00010
Coverage (o = % of O) (Esty 1984 formula) ^ᵖ (o = % of O)	84.21%	Die productivity if survival rate 1/2,000 ^ᵖ	4,068.52
Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ^ᵖ	1,625 kg <br /> 1,625 kg	Die productivity if survival rate 1/5,000 ^ᵖ	10,171.31

Most likely one single workstation

References

^ Westermark, Ulla - Jenkins, Gilbert Kenneth (1980), The Coinage of Kamarina, RNS 9, Londres, 283 p., 40 pl.