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Unattributed
Dominium Romanum
 AE 21
 SHH 4820

uncleaned
4820 Unatributted Dominium Romanum uncleaned

cleaned
4820 Unatributted Dominium Romanum cleaned

ground
4820 Unatributted Dominium Romanum ground

Parameter












Obverse
Reverse
Notes
Reference
 1.90 g   20.1-21.1 mm   ?:?? o'clock   M

uncleaned
t = 1.0-1.5 mm w = 1.95 g ρ = 6.61 g/cm^3 σ(960 Hz) obv.   9.6-10.8 rev.   9.8-10.5 MS/m

cleaned
t = 1.0-1.5 mm w = 1.90 g ρ = 7.17 g/cm^3 σ(960 Hz) obv.   9.0-10.5 rev.   9.5-10.7 MS/m
                                                               σ(120 Hz) obv.                rev.   9.1-  9.4 MS/m
XRF %
 Au
 Ag
 Cu
 Sn
 Zn
 Pb
 As
S
 Cl
 P
 Na
 Ca
 Fe
 Si Sb
obv. 0.1 5.0
 32.2
 11.2
 0.0 18.2
 0.1
1.0
 0.1
 4.1
 0.0
 14.1
 13.1
 0.6
 0.2
rev.
 0.1
 5.3
 31.9
 12.1
 0.0
 18.3
 0.0
1.4
 0.1
 4.0
 1.0
 13.3
 11.8
 0.6
 0.2

???.
???.
Coin surfaces roughly ground to remove the patina.
Unattributed.