MellerioDuck brooch - 18 ct yellow gold, depicting a duck with a ruby eye. Hallmark: Spain. Engraved signature: Mellerio Madrid. Dim: 4.2 x 2.7 cm...

MellerioBird brooch - 18 ct yellow gold, depicting a small bird set with small brilliants and an emerald for an eye. Double pin system. Hallmark: ...

Eagle brooch - 18 ct yellow gold, weathered and carved to depict an eagle. French work ca. 1900. Hallmark: eagle's head. Dim: 5.5 x 1.4 cm; Gross ...

Art Nouveau swan brooch - 18 ct carved yellow gold, depicting a stork with outstretched wings. Hallmark: none. Dim: 5.8 x 2 cm; Gross weight: 17.2...

Lizard brooch - 18 ct yellow gold, depicting a lizard whose back is set with seven tiny emeralds. Hallmark: none. Dim: 3 x 1.4 cm; Gross weight: 2...

Micromosaic demi-parure - 18 ct yellow gold, composed of a bracelet and a pair of drop earrings adorned with micromosaic depicting Italian ruins. ...

Lot of two micromosaic brooches - Each depicting St. Peter's Square in Rome. One is oval-shaped, set with 18 ct yellow gold (cracked on the back. ...

Napoleon III brooch - 18 ct yellow gold, adorned with a micromosaic depicting flowers. Perimeter set with six small pearls. 19th century French wo...

Napoleon III coral bracelet and brooch - Set composed of a bracelet and a brooch depicting carved flowers, fruits, and coral leaves, mounted on "...

Coral cameo brooch - 18 ct yellow gold, set with an oval coral cameo depicting Dionysus. Yellow gold twisted foliage frame set with four small pea...

Pink coral necklace - Long necklace composed of pink coral beads in ascending size (10.2 mm) with hexagonal Charles X 18 ct yellow gold clasp, ado...

Coral ring - 18 ct yellow gold, set with faceted coral beads. 19th century Dutch work. Hallmark: none. TD: 56; Gross weight: 9.7 g ...[more]

Pair of earrings - 20 ct yellow gold, adorned with openwork patterns. Screw-back closure. Portuguese hallmark. L: 6.5 cm; Gross weight: 15.6 g .....

Lot of two pairs of Fer de Berlin earrings - Berlin iron. The first pair is adorned with neo-Gothic patterns with 9 ct yellow gold hook on the bac...

Pair of drop earrings - 18 ct yellow gold, set with one small and one large faceted garnet. Late 19th century work. Traces of welding on the back....

Grisaille enamel pendant - Brass inlaid with faceted steel beads, set with a medallion topped with a knot. Oval-shaped, made of grisaille enamel, ...

Bracelet - Articulated, made of silver and black enamel, each end ending in a ball held by a claw. Safety chain. Hallmark: 900. Dim: 7 x 6 cm; Gro...

Porcelain medallion pendant - 18 ct yellow gold, adorned with a porcelain medallion with a painting of a muse. Damage to one edge. The frame is se...

Ivory rose brooch - Ivory, depicting a carved rose (one petal broken). Metal clasp. Late 19th century work. In its case. Dim: 6 x 5 cm; ...[more]

Pair of beetle earrings - 18 ct rose gold and silver, depicting beetles set with a garnet cabochon and small pearls. The eyes are made of small ru...

Butterfly brooch-barrette - 18 ct yellow gold, depicting a butterfly set with a sapphire, rubies, rose-cut diamonds, and a pearl. Barrette piece a...

Butterfly ring - Gilded silver, depicting two butterflies and two flowers, set with very tiny rubies (two missing). In its case. Hallmark: none. T...

Ring - 18 ct yellow gold, pear-shaped, set with a rose-cut diamond surrounded by emeralds. 19th century French work. Hallmark: eagle's head. TD: ...

Marquise ring - 18 ct grey gold, set with rose-cut diamonds. Hallmark: Egyptian. TD: 52; Gross weight: 5.8 g ...[more]

Opal ring - 9 ct rose gold, set with multiple rows of opal cabochons. Hallmark: none. TD: 59; Gross weight: 8.5 g ...[more]

Rose-cut diamond ring - 18 ct yellow gold and silver, rectangular and set with fifty-one rose-cut diamonds. Hallmark: none. TD: 58; Gross weight: ...

Napoleon III necklace - 18 ct yellow gold, composed of floral patterns with the veins highlighted in black enamel and set with four rose-cut diamo...

Neo-antique pendant - 18 ct yellow gold filigree, round, set with a pearl surrounded by rose-cut diamonds. Late 19th century French work. Hallmark...

Star brooch setting - 18 ct gold and silver depicting a star set with old-cut diamonds, the centre one measuring +/- 0,8 ct. Screw closure on the ...

DropsyLot of two medallion pieces - 18 ct yellow gold. One is a barrette-brooch, adorned with a medallion depicting Vercingetorix. Signed Dropsy. ...

Watch chain - 18 ct yellow gold adorned with a sliding escutcheon set with a nicolo. 19th century work. Hallmark: trace. L: 72 cm; Gross weight: 4...

Sword brooch - 18 ct yellow gold, adorned with granulation and set with three lapis-lazuli balls and very small ruby cabochons. Late 19th century ...

Lot of two crescent moon brooches - One 18 ct grey gold set with rose-cut diamonds. Hallmark: none. The other 18 ct yellow and white gold, set wit...

18th century Spanish pendant - 18 ct gold set with two miniatures painted on verre eglomise, depicting St. Barbara on one side, and St. Anne on th...

Bulrush bracelet - 18 ct yellow gold openwork and filigree, set with five emeralds and four rose-cut diamonds. Safety chain. 19th century French w...

Napoleon III bracelet - 14 ct rose gold set with small pearls, four old-cut diamonds, and a small sapphire. Safety chain. Minor dents. Hallmark: l...

"Flemish Heart" pendant - Silver and silver-gilt, set with rose-cut diamonds. 19th century work. Hallmark: H.A. in a rectangle. Dim: 6 x 1.4 cm; G...

Flemish brooch - 18 ct yellow gold, set with rose-cut diamonds (four missing). Originally a pendant, now fitted as a brooch. Hallmark: none. L: 7....

Flemish heart necklace - 18 ct yellow gold set with rose-cut diamonds. 19th century work with later fitting. Traces of welding on the tin. Hallmar...

Chain - 18 ct yellow gold, snakeskin mesh choker. Hallmark: none L: 44 cm; Gross weight: 20 g ...[more]

Parure - 18 ct yellow and white gold, composed of a ring, a pair of drop earrings, and a pendant set with rose-cut diamonds. Hallmark: 0750. TD:...

Neoclassical brooch - 18 ct yellow gold, oval-shaped with floral patterns, set with three old-cut diamonds. Hallmark: owl 75, n° 37157. Dim: 4 x 2...

Brooch-barrette - 18 ct yellow gold and silver, set with old-cut diamonds, rose-cut diamonds, and calibrated rubies. Ca. 1900 work. Hallmark: none...

Pearl necklace - Composed of fifteen rows of rice pearls, embellished with a cylindrical 18 ct yellow gold clasp, set with rows of calibrated rubi...

3-band ring - 9 ct rose gold and silver, set with an oval Verneuil ruby in the centre, surrounded by two clovers set with rose-cut diamonds. The t...

Napoleon III picture locket pendant - 18 ct rose and green gold, oval-shaped adorned with an acorn pattern. Late 19th century work. Hallmark: none...

Ring - 18 ct grey gold and platinum, set with five old-cut diamonds. Hallmark: eagle's head, dog's head. TD: 54; Gross weight: 6.2 g ...[more]

Ferdinand ErhartArt Nouveau hatpin - Silver, depicting an enamel plique-à-jour peacock feather. Ca. 1900 French work. The tip of the pin needs fix...

Adolf MayerArt Nouveau pendant - 900 silver, depicting fuchsias set with an oval ivory medallion, topped with a green agate cabochon. Adolf Mayer ...

Theodor FahrnerArt Nouveau pendant - 800 silver, depicting two leaves set with three amethyst cabochons. Hallmark: 800, TF in a circle. Dim: 4.5 x...

Art Nouveau pendant - Silver, depicting a stylised plant set with a carnelian cabochon. A silver chain is included. Hallmark: none. Dim: 7 x 3.5 c...

Art Nouveau brooch - 830 silver, oval-shaped depicting foliage and a bird, set with a green agate cabochon and a pearl. Hallmark: 830 millièmes, T...

René LaliqueArt Nouveau pendant - Brown pâte de verre, triangular, adorned with a brown silk cord floral pattern. Signed: R. Lalique. Dim: 4.7 x 4...

Art Nouveau necklace - 800 silver, adorned with interlocking pieces with a central cross set with a green stone cabochon, three green hardstone pe...

Art Nouveau bracelet - Gilded 900 silver, set with four green aventurine cabochons, alternated with medallions set with pearls. Safety chain. Hall...

Art Nouveau marquise ring - 9 ct rose gold, set with rose-cut diamonds. Ca. 1900 work. Hallmark: none. TD: 55; Gross weight: 5.8 g ...[more]

Lot of three Art Nouveau brooches - 18 ct yellow gold, decorated with garlands and flowers: the first is set with diamonds, a ruby, and a little p...

Art Nouveau pendant - 18k yellow and white gold, set with a turquoise scarab and four small old-cut diamonds with a ram, set with diamond-cut ros...

Art Nouveau brooch - 18 ct yellow gold, depicting a floral pattern set with heart-shaped amethysts and pearls. Hallmark: 18 K. Dim: 15 x 3 cm; Gro...

Art Nouveau bracelet - 18 ct yellow gold and platinum composed of oval chain-link adorned with four-leaf clovers, set with rose-cut diamonds. Safe...