Taras, gold, tetrobols or trites (Athena/biga) (276-272 BCE)

276 BCE - 272 BCE Gold 1,733 kg

Obverse:	Head of Athena to r., wearing Corinthian helmet decorated with serpent.
Reverse:	TAPAΣ (Greek).Phalanthos, holding ornamental trident, driving biga to r., star above, dolphin below

Calabria

276 BCE

272 BCE

Period: Hellenistic ^{323-30 BC}

Gold

2.85

tetrobol

, trite

Die study reference:	"[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Fischer-Bossert 1999, p. 372-373, G65-68.
Coin series reference:	"[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2HN Italy, n° 956
Coin series web reference:	https://greekcoinage.org/iris/id/taras.bossert.1999.g65-66 https://greekcoinage.org/iris/id/taras.bossert.1999.g67-68

Number of obverses ^ᵖ (o)	3	Number of singletons (o1) ^ᵖ
Number of reverse dies (r)	4	Number of coins (n)	31
Coins per obverse die (n/o)	10.33	Coins per reverse die (n/r)	7.75
Reverse per obverse ratio (r/o)	1.33	Percentage of singletons (o1) ^ᵖ	%
Original number of dies (O) (Carter 1983 formula) ^ᵖ	3.04	Coins struck if 20,000 as average productivity per die ^ᵖ	60,800
Original number of dies (O) (Esty 2011 formula) ^ᵖ (O)	3.32	Survival rate if 20,000 as average productivity per die ^ᵖ	0.00051
Coverage (o = % of O) (Esty 1984 formula) ^ᵖ (o = % of O)	%	Die productivity if survival rate 1/2,000 ^ᵖ	20,394.74
Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ^ᵖ	1,733 kg <br /> 1,733 kg	Die productivity if survival rate 1/5,000 ^ᵖ	50,986.84

Most likely one single workstation Likely military

References

^ Fischer-Bossert, Wolfgang (1999), Chronologie der Didrachmenprägung von Tarent, 510-280 v. Chr., Berlin, De Gruyter, xvii, 495 p., [84] pl.
^ Rutter N. Keith et alii (eds.) (2001), Historia Numorum Italy, London, xvi, 223 p., 43 pl.