Numerical Data Identification

Note: Symbols in parenthesis are not quoted on the coin pages

Parameter
Symbol
Unit
Comment

Centering

Density
Diameter
Die Orientation
Electrical Conductivity
Mass (Weight)
Quality
Thickness Mean



ρ
(D)

σ
(m)

(t)



g/cm³
mm
o'clock
MS/m
g

mm

+ centering , - no centering given vor obverse / reverse:
+ / - centering obverse, reverse no centering.
Measured after Archimedes in water. Rather unreliable.
Minimum - Maximum (Dmin - Dmax)
Clockwise


EF, VF, F, G
eqmm = mean thickness of a cylinder calculated from the mean diameter
Dmin = (Dmin - Dmax)/2 and an approximate
density of 8.8 g/cm³.
≥ initial flan diameter, radial material spreading by the strike