A German novelty silver and enamel ladybird vinaigrette

A German novelty silver and enamel ladybird vinaigrette,

maker's mark M.F, circa 1900,

with sprung red and black enamelled wings, which open to reveal a grille with plain pierced decoration, the wings with seed pearl borders, (one pearl missing), the head with black enamel and set with two red eyes, the underside with textured legs, with a ring attachment, length 4.7cm.