Zuni artist Don Dewa has been actively making his spectacular inlay jewelry since the 1970s.
He has used several hallmarks:
DON C DEWA
DON DEWA ZUNI NM
DON DEWA CUSTOM MADE JEWELRY ZUNI NM STERLING with a sunface (see example below)
When he he collaborates with his wife, Velma E. Dewa, they sign D & V DEWA
He is noted for his beautiful inlay and most notably his spinner bracelets. A spinner, in this case, is a rotating sunface that has different inlay on each side. See the photos.
From American Indian Jewelry by Gregory Schaaf