480 BC - 450
BC |
AR 7 |
SHH 7387 |
Parameter Obverse Reverse Notes Reference Provenance |
0.50 g 6.7-7.1 mm 1.42 eqmm
tmax 7.7 mm rh 0.15 mm
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o'clock VF, σmax(SigmaTest, 240 kHz) = obv. 20,7, rev. 28,3 MS/m Forepart of eagle left. Quadripartite incuse square. ? Copenhagen IV 1/2 (before 480 BC) Ex Demos Auctions 3/139, 17.7.2021 |