A group of antique green paste stones

A group of antique green paste stones, comprising: a large cross pendant set with cushion-shaped and oval green pastes, spaced by ray motifs set with rose-cut colourless pastes, mounted in closed- back settings in silver on gold, length 9.1cm; a Maltese cross pendant/brooch set with square and trapezoid green pastes in closed back settings, length 4.3cm including bail; a cross pendant claw-set with step-cut green pastes, mounted in gold, length 3.9cm; and an early 19th century demi-parure, the necklace and bracelets of sycamore motifs, set with circular-cut green pastes in closed-back silver settings, necklace length 41.5cm, bracelet length 18cm, French assay marks for silver and gilt silver, French maker's mark to bracelet