450 BC - 400 BC

Athena   Attica
Αθήναι   Αττική
 Tetradrachm / Τετράδραχμον AR 23
 SHH 4159

4159 Athena Tetradrachm AR

Parameter

Obverse
Reverse

Notes
Reference

Provenance
 16.820 g    22.3-23.5 mm 4.844   tmax 6.1 mm   rh 0.6 mm    9:00 o'clock   VF
σ(SigmaTest, 240 kHz) = obv. 10.8-12.6, rev. 10.0-12.2 MS/m
Helmeted head of Athena right.
Owl standing right, head facing; olive-sprig and crescent behind; all within incuse square;
ΑΘΕ downward on right.
?
Copenhagen III 31/43 (479-393 BC); Dewing 1591/1598 (449-420 BC); Kroll 8;
Sear Greek 2526 (449-413 BC); Svoronos Pl. 9/17
Ex CNG 253E/47, 6.4.2011

Parameter            Measurement coordinates  r and φ are  referred to the die orientation of the obverse
Elektrische Leitfähigkeit SigmaTest, 8 mm probe, 23.8.2021

Comment
 κΗz
60
 120
 240
 480
 960
r
 φ



σ  MS/m
mm
 °
 eqmm












Initial obv
11.4
 11.3
 11.2
 11.2
 11.1
0
     0
 4.844

rev
10.8
 11.1
 11.3
 11.7
 12.2
0
     0