400 BC - 300 BC |
Tetradrachm / Τετράδραχμον AR 22 |
SHH 5978 |
Parameter Obverse Reverse Notes Reference Provenance |
17.082 g 16.6-28.0 mm 4.637
eqmm tmax 6.4 mm rh 0.9 mm
6:00
o'clock VF σ(SigmaTest, 240 kHz) = obv. 24.4-28.6, rev. 33.4-48.2 MS/m Helmeted head of Athena right. Owl standing right, head facing; olive-sprig and crescent behind; ΑΘΕ downward on right. Coin has been struck on folded flan. John Kroll, Oxford University Striking and Restriking on Folded Flans: Evidence from Athens, Elis, Thebes, and Aegina XV International Numismatic Congress (INC), Taormina, 21.-24.9.2015; Hoover HGC IV 1599 Ex CNG 365E/142, 16.12.2015 |
Parameter
Measurement coordinates r and φ
are referred to the die orientation of the obverse
Elektrische
Leitfähigkeit SigmaTest, 8 mm probe, 23.8.2021
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