The largest piece in this group (measuring approximately 3 3/4" at its widest point) is by Navajo artisan Yazzie Slim Jim of Chinle, AZ. The reverse bears their "YSJ" hallmark. Another piece bears the hallmark "JJP", an unidentified artisan. Two unmarked pieces. The smaller of these (measuring approximately 2 1/2" at its widest point) is unfortunately missing the pin section on its backside and the remaining prongs are sharp. XRF tested to confirm silver content. Gross silver weight: 5.675 ozt (176.5 g). Silver on four pieces exhibits patina consistent with age of items and instances of green discoloration. Keywords: Native American, Amerindian, American Indian, Navajo, Zuni, gemstones, gem, fashion, Southwest, South West, Needlepoint, Needle Point