| 325 BC - 200
BC | 
| AE 21 | SHH 2368 | 
|  | 
| Parameter Obverse Reverse Notes Reference Provenance | 8.171 g  
20.7-21.5 mm   2.656
eqmm   tmax 3.3 mm   rh 0.30 mm
  12:00
o'clock VF centering - / - grooves - / - σmax(SigmaTest, 240 Hz) = obv. 20.8, rev. 21.7 MS/m Bearded and horned head of river-god Borysthenes left. Battle-axe to left of gorytos; ΟΛΒΙΟ upward to right; monogramm to left. ? Stancomb 367/401 Ex eBay J. Hau, 10.10 2006 | 
| Parameter    
       Measurement coordinates  x and y
are  referred to the die orientation of the obverse x = 0; y = 0 at the
center of the coin Elektrische
Leitfähigkeit SigmaTest, 8 mm sensor.  ?.??.2025 
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