Silver ring by Aaron Anderson size 11Sterling silver ring that is hand stamped with fines lines and the tufa design in the center. Width: 0. 50" Size: 10. 5 Weight: 0. 73oz 20. 5grams Artsit Tribe: Aaron Anderson (Navajo) He is known by the ONE OF THE KIND Tufa casting jewelry. Tufa cast is one of oldest ways of jewery making for Native Americans. Most of his pieces are sold with the mold he designs and carves. His designs from traditional to contemporary.