425 BC - 375 BC

Tetradrachm / Τετράδραχμον AR 21

SHH 656

Parameter Obverse Reverse Notes Reference Provenance Donated

11.329 g   21.4-22.6 mm   3.160 eqmm   tmax 4.0 mm   rh 0.4 mm   1:00 o'clock   VF σmax(SigmaTest, 240 Hz) = obv. 15.1, rev. 15.4 MS/m Griffin springing left on base; ΑΒΔΗΡΙ above; border of dots Apollo standing three quarters left, holding patera in right hand; laurel branch to left; stag left at his side to left; ΕΠΙ ΚΑΛ / ΛΙΑ / ΝΑΚΤΟΣ around; all in incuse sqaure. ? BMC Thrace ---; Copenhagen ---; Dewing ---; Hart ---; Imhoof-Blumer II 97 (425-400 BC); Manchester ---; May 450/451 (385-375 BC); Sear Greek --- Ex Busso Peus 378/25, 28.4.2004 Griechisches Münzwerk, Berlin-Brandenburgische Akademie der Wissenschaften, 4.2021 ctrical Conductivity σ(SigmaTest) [MS/m]; 0/0 (0 o'clock / radius 0 mm, middle),

Parameter            Measurement coordinates  r and φ are  referred to the die orientation of the obverse Elektrische Leitfähigkeit SigmaTest, 8 mm probe, 22.8.2021 Comment κΗz 60 120 240 480 960 r φ σ  MS/m mm ° eqmm Initial obv 13.5 13.7 13.8 14.1 14.5 0     0 3.160 13.3 13.2 13.1 13.3 13.8 6     0 14.5 14.5 14.4 14.5 14.9 6   45 14.0 13.7 13.6 13.7 14.1 6   90 13.6 13.6 13.7 13.9 14.4 6 135 rev 14.5 14.4 14.1 14 13.9 0     0 3.160 0.0 Composition Niton XL2 air plus, 8 mm Colimator, 16.10.2021 Comments Cu Sn Pb Zn As Au Ag Fe Ni Cr Al Si P r φ % % % % % % % % % % % % % mm °  Initial obv 2.7 0.0 1.1 0.0 0.0 0.3 92.7 0.1 0.0 0.0 1.5 1.5 0.1 0 0  Initial rev 3.2 0.0 1.5 0.0 0.0 0.2 92.7 0.1 0.0 0.0 0.7 1.3 0.1 0 0 XRFComposition Niton XL2 air plus, 8 mm Colimator, Al, Si, P eliminated 16.10.2021 Comments Cu Sn Pb Zn As Au Ag Fe Ni Cr Al Si P r φ % % % % % % % % % % % % % mm °  Initial obv 2.8 0.0 1.1 0.0 0.0 0.3 95.7 0.1 0.0 0.0 0 0  Initial rev 3.3 0.0 1.6 0.0 0.0 0.2 94.8 0.0 0.0 0.0 0 0