Juan Calavaza (c. 1910-1970)
Juan Calavaza collaborated with his wife Effie Calavaza. Their work was signed with JUAN C.—ZUNI .
Juan Calavaza (Zuni)
Belt
Silver, branch coral, turquoise
1933??
2.25 in. x 2.5 in.; 34.5 in. long
KMA 89.016.117
 
Juan Calavaza and/or Dan Simplicio(Zuni)
Ring
Silver, turquoise
n.d.
1.18 in. x 1 in. x 1.16 in.
KMA 89.016.1014a
 
Juan Calavaza and/or Dan Simplicio(Zuni)
Ring
n.d.
1 in. x 1 in.
silver, turquoise, coral
KMA 89.016.1014 B
 
Links:
http://www.liveauctioneers.com/s/lot-231977.html

Sources:

Bell, Ed and Barbara. Zuni: The Art and the People, Volume 2. Dallas, Tex.: Taylor Publishing Co., p. 22. (see Effie Calavaza)
Levy, Gordon. Who’s Who in Zuni Jewelry. Denver, Colo.: Western Arts Publishing Co., 1980, p. 61.
Wright, Barton. Hallmarks of the Southwest. Atglen, Pa.: Schiffer Publishing, 2000, p. 42.