Four bronze incense burners

Description:

China, three marked, 18th/19th cent.
B. 10,7/ 7,7/ 6,7 und 10,3 cm
Beaker form with relief dragon side handles, Xuande six-character mark, weight: 432 g; In the shape of a small pot with relief ridges, unmarked; weight: 231 g; Hexagonal form with two toads as handles, mark in seal script on base, weight: 204 g; Bulged form on three short legs and side handles with loose ring handles, Xuande mark on base, weight: 334 g.
Old German private collection, according to tradition collected before 1990 - Traces of use and partly very minor wear, very slightly chipped