Three Continental Copper Foot Warmers Probably French, ]8th-1 9th Century The first two, rectangular with swivel turned wooden insulater handles, on elongated rectangular flat bases, one with a pierced hinged top and the side panels having pierced hearts, and the base inscribed Km 1757, the other with a circular pierced top above a drawer; and the third, square with a swivel handle enclosing a hinged lid with oval cut out and bail handle. H of the largest: 7in 17.8cm D 12in 30.5cm See Illustration