A collection of three Chinese overlay Peking glass bowls

A collection of three Chinese overlay Peking glass bowls, 20th century, comprising: one with carps in blue against a red ground, 12.8cm diameter, one with a dragon in red against a yellow ground, four-character Qianlong mark, 12.2cm diameter, one of hexagonal form, with magpies on a pine or a blossoming prunus tree in green against a red ground, four-character Qianlong mark, 11.5cm long, and a further pair of bowls in red, 13.2cm diameter (5)