A Victorian silver sewing etui / vinaigrette

A Victorian silver sewing etui / vinaigrette, by Thomas Johnson, London 1869, egg form, the hinged top opens to reveal a vinaigrette with a pierced scroll grille, the main body opens to reveal an egg shaped tape measure and needle holders, with a hinged loop and ring attachment, length 4.5cm, approx. weight 1.5oz.