1940s | silver, mother of pearl
late 19th century - early 20th century | gold
circa 1890–1910 | silver, turquoise
early 20th century - mid-20th century | silver, turquoise, coral
early 20th century - mid-20th century | silver, turquoise
Unknown | silver, turquoise, jet
early 20th century | silver, turquoise
circa 1920 - 1940 | silver, turquoise
circa 1940 | silver, turquoise
early 20th century | sliver, turquoise, jet, coral
circa 1950 | silver
1940–1950 | silver
1930–1940 | silver, turquoise
circa 1920–1930 | silver, turquoise