5 removable upper braces, one with single and one with double expansion screws, pink acrylic plates, stainless wire, English, 1950-1965 5 removable upper braces 1950-1965
Two removable lower braces, one with expansion screw, clear acrylic plates with stainless steel wire, English, 1955-1970 Two removable lower braces 1955-1970