Cologne (Tetricus I), gold, quinarii (271-274 CE)

271 CE - 274 CE Gold 680 kg

Obverse:	IMP C TETRICVS AVG (Latin).Bust of Tetricus I, draped, head, bare, three-quarters facing
Reverse:	VOTIS DECENNALIBVS (Latin).Victory, winged, naked to waist, standing right, left foot raised on globe, holding stylus in right hand inscribing oval shield with an X, which she balances with left hand on left knee

Gallia

271 CE

274 CE

Period: Roman ^{from 30 BC}

Gold

2.10

quinarius

Die study reference:	"[[Die study reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]1Schulte 1983, p. 167
Coin series reference:	"[[Coin series reference" contains a listed "[" character as part of the property label and has therefore been classified as invalid.]]2RIC 5, p. 405, n° 2

no distribution is available

Number of obverses ^ᵖ (o)	1	Number of singletons (o1) ^ᵖ	0
Number of reverse dies (r)	1	Number of coins (n)	2
Coins per obverse die (n/o)	2	Coins per reverse die (n/r)	2
Reverse per obverse ratio (r/o)	1	Percentage of singletons (o1) ^ᵖ	0 %
Original number of dies (O) (Carter 1983 formula) ^ᵖ	1.62	Coins struck if 20,000 as average productivity per die ^ᵖ	32,400
Original number of dies (O) (Esty 2011 formula) ^ᵖ (O)	2	Survival rate if 20,000 as average productivity per die ^ᵖ	0.00006
Coverage (o = % of O) (Esty 1984 formula) ^ᵖ (o = % of O)	100%	Die productivity if survival rate 1/2,000 ^ᵖ	2,469.14
Weight of silver (in kg) if 20,000 coins per die (O = Carter formula) ^ᵖ	680 kg <br /> 680 kg	Die productivity if survival rate 1/5,000 ^ᵖ	6,172.84

Most likely one single workstation Certainly military

References

^ Schulte, Bernhard (1983), Die Goldprägung der gallischen Kaiser von Postumus bis Tetricus, Typos. Monographien zur antiken Numismatik, IV, Aarau, Verlag Sauerländer, 189 p., 28 pl.
^ RIC 5