A very similar double vase is illustrated by Brinker and Lutz in Chinese Cloisonné, The Piere Uldry Collection, no. 304 which has the same marks; Another very similar double vase was sold in our New York Rooms, 1 June 1990, lot 103; also, another example, dated 1786, sold in our Hong Kong rooms, 26-27 April 1998, lot 562.
Compare also related gilt-bronze and gilt-splashed double-vases of this form. A gilt-splashed example from the W.W. Winkworth Collection sold in these Rooms, 16 November 1999, lot 106, and another gilt-splashed double vase in the Robert H. Clague Collection illustrated by R. Mowry, China's Renaissance in Bronze, Phoenix, 1993, p. 190, no. 40.