Unattributed
Dominium Romanum

AE 21

SHH 5140

Parameter Obverse Reverse Notes Reference

3.95 g   20.1-22.2 mm   7:00 o'clock   M t = 1.5-1.9 mm  w = 3.95 g  ρ = ??? g/cm^3  σ(120 Hz) obv.           rev.           MS/m XRF % Au Ag Cu Sn Zn Pb As S Cl P Na Ca Fe Si Sb obv. 0.0 rev. 0.0 Head. Two standing figures. Used for method development for non-destructive material composition determination. Unattributed.