20th century, includes one matched pair of green nephrite jade ducks (2 x 3 1/2 x 1 1/2 in.)(chip to mouth of one, chipped area remains with duck), and a pair of mottled tan and green hardstone ducks holding lotus blossoms in their mouths (2 1/2 x 4 x 2 in.)(some small nicks to edges of tail on both; small chips to flower and dragonfly on one).