Is anyone familiar with this hallmark? I have looked extensively, but cannot find anything associated with it. Any help would be much appreciated.
Do you mind giving us a image of the piece, help us get a feel for age.
In Hougart’s 3d, that’s the mark for Louise and Stephen Siutza, Zuni.
some more info on artist found.
"husband and wife team Stephen & Louise Siutza.
Ref., ZUNI The Art And The People. Vol. 1 by Ed and Barbara Bell
Ref., American Indian Jewelry III: M-Z 2,100 Artist Biographies
BY GREGORY SCHAFF ASSISTED BY ANGIE YAN SCHAAF
Stephen Siutza (stamps N & LS), (collaborated with Louise Siutza)
(Zuni, active 1955-80s+: raised mosaic, channel inlay jewelry)
BORN: 1929; RESIDENCE: Zuni Pueblo, NM
FAMILY: husband of Louise Siutza; father of Herbert Siutza & one other child; p.
Grandfather of Karen Siutza
STUDENTS: Anson Leekela, Deborah Leekela, Herbert Siutza, his son
EXHIBITIONS: 2006, “Art of the Zuni,” Kennedy Museum, Ohio University, Akron, OH
COLLECTIONS: Kennedy Museum, Ohio University, Akron, OH
FAVORITE DESIGNS: flowers
PUBLICATIONS: Bell 1975:47; Levy 1980:32; Bassman 1992:15, 19; Wright 2000:157; Morris, Who’s Who in Zuni Jewelry
Inventory #: 790ZUN20
Size: W. 7/8" x H. 7/8"
Finger Size: 7.00
Weight: 8.5g
Circa: 1970s
Artist/Hallmark: N & L S = Stephen & Louise Siutza"
source: https://www.rubylane.com/item/1427595-790ZUN20/Zuni-Stephen-Louise-Siutza-Sterling-MOP