Sancrest silver necklace with a turquoise pendant.

Sancrest R (signed) silver necklace with a turquoise pendant. Sancrest R Jewelry - Sancrest R is a vintage jewelry mark from Sancrest, a short-lived company founded by Sanford and Company Inc. in Los Angeles from 1951 to 1954. They are known for producing Native American-style costume jewelry, often using synthetic turquoise and a silver-tone base metal.