THREE JEWELLED AND GOLD-MOUNTED HARDSTONE EGG PENDANTS, ST PETERSBURG the first of nephrite, applied with a diamond-set crowned double-headed eagle, maker's mark AT, probably for Alexander Tillander, 56 standard; the second of bowenite below an openwork grill set with diamonds and cabochon rubies, Friedrich Koechli, 56 standard; the third of nephrite, banded with opaque white enamel applied with diamonds within Celtic knot borders, partial maker's mark, possibly _K Quantity: 3
