Webexplore medicine man gallery's extensive online database of native american jewelry hallmarks, a vital resource for enthusiasts and collectors. Identify unique marks, artist names, or shop symbols within our growing collection. Webnative american silversmiths and other jewelry artists use hallmarks to sign their work. A hallmark is signature stamp embedded in the metal of a piece of jewelry or metal art. Webtypical navajo style split ring shank. Hallmarks, just like the style of jewelry the markings on the backside can help to identify. Generally, zuni & navajo artists will use.