Chemical Composition: ICP-MS/AAA data from sample, Bronze:
Cu, 90.41; Sn, 7.85; Pb, 0.78; Zn, 0.01; Fe, 0.16; Ni, 0.12; Ag, 0.05; Sb, 0.13; As, 0.46; Bi, less than 0.025; Co, 0.037; Au, less than 0.01; Cd, less than 0.001
J. Riederer
Technical Observations: The patina consists mostly of raised green, blue, and brown (iron rust) corrosion products. Red is visible in several areas as an underlying layer. Areas of wear appear to reveal a well-preserved surface. Most areas are obscured by raised corrosion products. The remains of the iron pin are visible as rust surrounding the hole where the pin shaft was inserted.
Asymmetry in the relief of the two sides points to direct forming of the wax model rather than casting it in a mold. There is no visible evidence of cold working on the surface.
Henry Lie (submitted 2012)