H 128 - Uncertain mint, silver, tetradrachm, 306-295 BC

306 BCE - 295 BCE Silver 7,668 kg

Obverse:	Head of Heracles right, wearing Nemean lion skin headdress. Border of dots.
Reverse:	ΒΑΣΙΛEΩΣ AΛΕΞΑΝΔΡΟΥ ou ΔHMΗΤΡΙΟΥ (Greek).Zeus seated left on low throne, holding long scepter in his left hand and, in his right, eagle standing right with closed wings.

306 BCE

295 BCE

Period: Hellenistic ^{323-30 BC}

Silver

17.10

tetradrachm

Attic

Die study reference:	"[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Newell 1927
Coin series reference:	"[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2RQEMH, n° 128

no distribution is available

Number of obverses ^ᵖ (o)	18	Number of singletons (o1) ^ᵖ	5
Number of reverse dies (r)	33	Number of coins (n)	57
Coins per obverse die (n/o)	3.17	Coins per reverse die (n/r)	1.73
Reverse per obverse ratio (r/o)	1.83	Percentage of singletons (o1) ^ᵖ	27.78 %
Original number of dies (O) (Carter 1983 formula) ^ᵖ	22.42	Coins struck if 20,000 as average productivity per die ^ᵖ	448,400
Original number of dies (O) (Esty 2011 formula) ^ᵖ (O)	26.31	Survival rate if 20,000 as average productivity per die ^ᵖ	0.00013
Coverage (o = % of O) (Esty 1984 formula) ^ᵖ (o = % of O)	91.23%	Die productivity if survival rate 1/2,000 ^ᵖ	5,084.75
Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ^ᵖ	7,668 kg <br /> 7,668 kg	Die productivity if survival rate 1/5,000 ^ᵖ	12,711.86

Most likely one single workstation

References

^ Newell, Eward T. (1927), The Coinages of Demetrius Poliorcetes, London, ix, 174 p., 18 pl.
^ Callataÿ, François de (1997), Recueil quantitatif des émissions monétaires hellénistiques, Numismatique Romaine, Wetteren, X + 341 p.