Chemical Composition: ICP-MS/AAA data from sample, Leaded Bronze:
Cu, 71.07; Sn, 7.2; Pb, 21.41; Zn, 0.006; Fe, 0.02; Ni, 0.03; Ag, 0.04; Sb, 0.07; As, 0.15; Bi, less than 0.025; Co, less than 0.01; Au, less than 0.01; Cd, less than 0.001
J. Riederer
Technical Observations: This piece is a solid cast. It is difficult to ascertain how much of the detail was cast and how much was chased into the metal, as the surface is smoothed from wear. There are dents, scratches, and imperfections of various kinds overall, which are the result of how the object was used, stored, or cleaned after excavation. A few instances of porosity due to casting appear to have been pushed in, as can be seen from a small lip of material that is not anatomically correct on the tips of the toes. Some of the recesses and dents are filled in with an unidentified light brown material, perhaps burial accretion or wax. There are specks of bright red pigment in that brown material and on areas of the surface, particularly on the head. There is a thin dark green corrosion with a few small patches of red over the scratched surface. The patina layer is not very deep, and some areas are worn to shiny metal. However, there is a layer of cuprite under the green corrosion that would suggest a naturally developed patina structure. The rough-edged knob midway down the figure’s back, on the edge of the figure’s hairline, may be the remains of an attachment.
Francesca G. Bewer (submitted 2011)