Chemical Composition: ICP-MS/AAA data from sample, Leaded Bronze:
Cu, 83.72; Sn, 3.85; Pb, 12.26; Zn, 0.009; Fe, less than 0.01; Ni, 0.03; Ag, 0.04; Sb, 0.09; As, less than 0.10; Bi, less than 0.025; Co, less than 0.005; Au, less than 0.01; Cd, less than 0.001
J. Riederer
Technical Observations: The patina consists of various greens with brown deposits. The object is worn but intact. The key was made by lost-wax casting.
Carol Snow (submitted 2002)