Brt-231. Wt = 10.51g. Diam = 26.3-26.6mm
Au (%)
Ag (%)
Cu (%)
Zn (%)
Ni (%)
Sn (%)
Bi (%)
Pb (%)
As (%)
Fe (%)
0.08
95.4
4.16
0
0.36
0.07
90.99
8.33
0.53
Stevens Collection