Norwegian Enamel silver clip earrings - Rasmussen

A pair of solid silver and deep blue enamel clip earrings; each earring consisting of a rounded trapezoid shape with a fine guilloche ground decorated with a pattern of silver balls reminiscent of braille with clip fittings - marked for Karl A Rasmussen of Oslo - total weight of the pair 9.2grms - overall dimensions 22 x 22mm - c.1960 Norway