A group of three hardstone egg pendants

comprising: a Fabergé jewelled and gold-mounted nephrite egg, workmaster: Alfred Thielemann, St Petersburg, applied with a crowned double-headed eagle set with diamonds; a jewelled and gold-mounted green aventurine example, illegible workmaster's initials, banded with opaque white enamel set with diamonds within gold bands in Celtic knot; both with gold suspension rings, 56 standard; and a silver-gilt-mounted hardstone egg, 78 standard