A gold headdress ornament, 4th to 3rd century BCE, Courtesy of the Mengdiexuan Collection

A gold plaque, 4th to 3rd century BCE, Courtesy of the Mengdiexuan Collection

A set of three gold hairpins with phoenix designs, 14th to 17th century, Courtesy of the Mengdiexuan Collection

Gilt-silver pouch-shaped ornament, 7th to 9th century, Courtesy of the Mengdiexuan Collection

Gold bent hairpins with gemstone, glass and pearl inlays, 7th century, Courtesy of the Mengdiexuan Collection

Gold comb with red gemstone inlay, 15th to 16th century, Courtesy of the Mengdiexuan Collection

Gold hairpins with dragon and floral designs, 10th to 13th century, Courtesy of the Mengdiexuan Collection

Gold headdress plaque, 3rd to 6th century, Courtesy of the Mengdiexuan Collection

Gold necklace ornaments or pectoral, 4th to 3rd century BCE, Courtesy of the Mengdiexuan Collection

Gold ornaments with flower and dragon designs, 13th to 17th century, Courtesy of the Mengdiexuan Collection

Hairpin with figures design, Ming Dynasty, 1368-1644,  Courtesy of the Mengdiexuan Collection

Inlaid gold necklace with human-figure pendant, 5th to 9th century, Courtesy of the Mengdiexuan Collelction

Pair of Bracelets with flower and bird designs, Liao Dynasty, 907-1125, Courtesy of the Mengdiexuan Collection

Pair of gold bracelets with gem inlays, 3rd to 6th century, Courtesy of the Mengdiexuan Collection

Pair of gold phoenix-shaped earrings, Liao Dynasty, 907-1125, Courtesy of the Mengdiexuan Collection

Pear-shaped gold cape weights with bird-and-peony designs, Song to Ming Dynasty, 960-1644, Mengdiexuan Collection

Pear-shaped gold cape weights with flower and auspicious animal design, 15th to 16th century, Mengdiexuan Collection

Recumbent stag ornament, 6th to 5th century BCE,  Courtesy of the Mengdiexuan Collection

Square openwork gold plaques with bird motifs, 7th to 9th century, Courtesy of the Mengdiexuan Collection

Hairpin with flower and bird designs, Ming Dynasty, 1368-1644, Courtesy of the Mengdiexuan Collection