Student Nurses Association union badge c.1950 to 1968

A good original circa 1950 to 1968 period 'Student Nurses Association pin badge' oxidized silver plated example with blue enamel scrolls divided by red roses, the central 'Nurses Lamp of Knowledge' within a laurel wreath, the reverse impressed with maker's details 'Toye & Co London'. Very good condition, complete with original pin fittings, no enamel loss.Height 27mm.