400 BC - 300 BC

Apollonia Pontica   Thracia
Απολλωνία Ευξείνου   Θράκη
 Drachm / Δραχμή AR 15
 SHH 7500

7493 Apollonia Pontica Thracia Drachm AR

Parameter

Obverse
Reverse
Notes
Reference
Provenance
 3.092 g   14.3-15.7 mm   1.989 eqmm(ρ=10.4 g/cm³)    tmax 2,4 mm  rh 0.20 mm
5.00 o'clock   VF  σmax(SigmaTest, 240 kHz) = obv. 12,6, rev. 12,9 MS/m
Facing head of Medusa,.tongue protruding
Anchor, crayfish to left, A to right
Experimental specimen, Very light grey patina , no pronounced oxidazations.
BM Black Sea 153/163 (late 5th-4th BC)
Ex Numismatik Naumann 130/104, 1.7.2023

Parameter            Measurement coordinates  x and y are  referred to the die orientation of the obverse
Elektrische Leitfähigkeit SigmaTest, 8 mm sensor, 15.6.2023
Comment
 kΗz
60
 120
 240
 480
 960
x
 y



σ  MS/m
mm
 mm
 eqmm












 SHH 7500 Pob00 Initial obv
11.7
 11.5
 11.4
 11.4
 11.2
0
 0
 1.989
 SHH 7500 Pre00 Initial rev
12.9
 13.4
 13.6
 13.9
 14.3
0
 0
 1.989

Composition Niton XL2 air plus, 8 mm Colimator, 14.7.2023
Comments

Cu
 Sn
 Pb
 Zn
 As
 Au
 Ag
 Fe
 Ni
 Cr
 Al
 Si
 P
x
 y



%
 %
 %
 %
 %
 %
 %
 %
 %
 %
 %
 %
 %
mm
 mm



















 SHH 7491 Pob00 Initial
 obv
0.0
 0.0
 1.6
 0.0
 0.0
 0.0
 92,8
 0.3
 0.0
 0.0
 1,8
 3,1
 0.0
0
 0
 SHH 7491 Pre00 Initial rev
0.1
 0.0
 1,3
 0.0
 0.0
 0.0
 93,0
 0.3
 0.0
 0.0
 1,9
 3,1
 0.0
0
 0