Lot Essay
Bourgeois records these as having been first produced in 1755.
Similar pairs sold Christie's London, July 4, 1977, lot 16; and the Christner Collection, Christie's New York, June 9, 1979, lot 188
Similar pairs sold Christie's London, July 4, 1977, lot 16; and the Christner Collection, Christie's New York, June 9, 1979, lot 188