Four small Jade Belt Hooks

Four small Jade Belt Hooks
Qing dynasty
Comprising a celadon and gray jade belt hook, 18th/19th century, the faceted body terminating in a mythical beaked animal or bird head at one end, the underside knop with a carved intaglio seal; a small white jade hook 18th/19th century the curved body terminating in a bird's head; a black-brown gray and russet jade belt hook, 18th century or earlier, a shallow ridge on each narrow edge and terminating in a dragon or snake's head; and a celadon and russet jade belt hook, 18th century the faceted body incised with s-curls on the upper face and a chevron design on the other facets, terminating in a chilong head at one end and a short tail at the other.
2 1/2in (6.4cm); 2 1/8in (5.3cm); 2 7/8in (7.4cm) and 3 3/4in (9.5cm) long ((4)).