Silver jewelry - 4 pieces, 1x pendant, silver... Lot 716

Silver jewelry - 4 pieces, 1x pendant, silver 835 stamped, oval form, probably set with a malachite cabochon, setting in vegetal openwork, signs of wear, gemstone partly rubbed, l with eyelet approx.5cm, movable but not detachable, attached to ball chain, spring ring clasp, lca.62,5cm, 1x brooch, silver 935 stamped, rectangular shape with folded corners, open-worked and decorated with black and colorless gemstones in geometric interplay, ca.5 x 2.5 cm, weight approx. 14.54 g, 1x pendant, stamped silver 835, diamond-shaped, setting and eyelet decorated with millegrain ornamentation, set with an oval, faceted amethyst in the center, length with eyelet approx. 3.2 cm, on a filigree chain, stamped silver 900, partially damaged, length approx. 45.5cm, total weight approx. 6.64 g, and 1 further brooch, acid-treated silver, rectangular shape, floral openwork setting, set in the center with a faceted sky-blue gemstone, the latter chipped, approx. 3.6 x 2.5 cm, total weight approx. 10.42 g