An enamelled gold-mounted smoky-quartz cup and cover

An enamelled gold-mounted smoky-quartz cup and cover
19th century
Cylindrical, on shaped circular foot, the body carved with bands of overlapping shells, warrior masks and a cartouche with a crest, the fluted cover with eagle finial, the gold foot and lip mounts enamelled with geometric motifs in blue, black and white
15¾in. (40cm.) high