400 BC - 300 BC

Apollonia Pontica   Thracia
Απολλωνία Ευξείνου   Θράκη
 Drachm / Δραχμή AR 13
 SHH 7492

7492 Apollonia Pontica Thracia Drachm AR

Parameter

Obverse
Reverse
Notes
Reference


Provenance
 2.952 g   12.5-13.4 mm   2.155 eqmm(ρ=10.4 g/cm³)    tmax 2,9 mm   rh 0.35 mm
2.00 o'clock   VF  σmax(SigmaTest, 240 kHz) = obv. 17,9, rev. 21.5 MS/m
Facing head of Medusa,.tongue protruding
Anchor, crayfish to right, A to left.
Experimental specimen
BMC Mysia 8/10 (450-330 BC); Bulgaria 253; Copenhagen 454 (450-400 BC);
Dewing 1275 (450-400 BC); Head p.277 (450-400 BC); Moushmov ---;
Sear Greek 1655 (450-400 BC); Stancomb 34 variant (4th century BC)
Ex Numismatik Naumann 129/71, 17.6.2023

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
 κΗz
60
 120
 240
 480
 960
x
 y



σ  MS/m
mm
 mm
 eqmm












 SHH 7491 Pob00 Initial obv
15.9
 16.6
 17.8
 19.6
 21.9
0
 0
 2.155
 SHH 7491 Pre00 Initial rev
17.5
 17.7
 18.4
 19.9
 22.1
0
 0
 2.155

Composition Niton XL2 air plus, 8 mm Colimator, ??.?.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
 SHH 7491 Pre00 Initial rev














0
 0