Four antique brooches, early 19th century - early 20th century, and a cultured pearl pendant


1st: Circa 1900, designed as the initials A and M intertwined with the knot of eternity, with green and white enamel decoration throughout, with rose-cut diamond highlights, mounted in gold, 2nd: Circa 1900, designed as a crowned heraldic heart, with black and white enamel decoration and gem-set highlights, mounted in silver and gold, 3rd: The early 19th century brooch with applied initials on a blue enamel ground, encircled by a rose-cut diamond-set serpent, suspending a similarly-set heart and key tassel, mounted in silver and gold, 4th: The 19th century brooch set with a 20.6mm x 12.0mm blister pearl, within a ribbon and bow surround set with rose-cut diamonds, mounted in silver and gold, 5th: Designed as two realistically modelled enamel serpents encircling a 14.20mm x 11.40mm cultured pearl, blister pearl untested, lengths: brooches 1.4cm - 4.0cm, pendant 42.5cm (4)