450 BC - 400 BC

Athena   Attica
Αθήναι   Αττική
 Tetradrachm / Τετράδραχμον AR 23
 SHH 7481

7481 Athena Tetradrachm AR

Parameter

Obverse
Reverse

Notes
Reference

Provenance
 17.166 g    22.5-24.1 mm    4.044 eqmm   tmax 5.8 mm   rh 0.85 mm
10:00 o'clock   VF   σmax(SigmaTest, 240 Hz) = obv. 22.7, rev. 23.1 MS/m
Helmeted head of Athena right.
Owl standing right, head facing; olive-twig and crescent behind; all within incuse square;
ΑΘΕ downward on right.
?
Copenhagen III 31/43 (479-393 BC); HGC IV 1597; Kroll 8;
Sear Greek 2526 (449-413 BC)
Ex Victoria Numismatics 1/77, 18.8.2022

Parameter            Measurement coordinates  x and y  are  referred to the die orientation of the obverse
Elektrische Leitfähigkeit SigmaTest, 8 mm probe,  ??.??.????

Comment
 kΗz
60
 120
 240
 480
 960
x
 y



σ  MS/m
mm
 mm eqmm












Initial obv






0
     0
 4.044

rev






0
     0