Three bronze hand warmers, Qing dynasty, 19th century, comprising one of squat globular form with swing handle, the cover with a pierced diaper pattern; another smaller, the cover pierced with florette diaper, the base of each with impressed marks; and one with horizontally grooved sides and simulated bamboo swing handle, the cover with pierced trellis pattern, seal mark, (3), 11.3 cm; 9.5 cm; and 7 cm diameter