A collection of three Russian silver travelling egg cup sets

A collection of three Russian silver travelling egg cup sets,

various makers,

egg form, the egg opens to reveal two screw-out bases which form two egg cups, one with niello decoration, one silver-gilt with engraved decoration and one embossed, plus a silver and niello work egg cup/ miniature goblet, probably Turkish, the centre with a fish, approx. total weight 9oz. (4)

Provenance: from the collection of Dr Venetia Newall.