Lot of 55 grams of "tumbaga" (gold-copper alloy) sheets from Peru (probably Inca), rare. 55 grams, small pieces and 1 rectangle 11" long. Unusual assortment of thin, small copper-and-gold colored hand-hammered pieces and one 2-1/2" wide strap ending in a rounded edge, embossed dotted design on edges throughout. (Estimate: $350 - 500)