200 AD - 500
AD |
AE 20 |
SHH 4875 |
Parameter Obverse Reverse Notes Reference |
5.04 g 18.4-22.1 mm ?:??
o'clock M cleaned t = 1.0-3.0 mm w = 5.04 g ρ = --- g/cm^3 σ(120 Hz) obv. 14.1-15.3 rev. 15.0-15.8 MS/m
???. ??? Coin surfaces roughly ground to remove the patina. Unattributed. |