Zhu Zhenming of Yunjian is a close contemporary or individual in the same studio as Hu Wenming. A near identical incense burner by Hu Wenming, of identical form and decoration in the Robert H. Clague collects ion, marked Yunjian Hu Wenming zhi is illustrated in Robert D. Mowry, China's Renaissance in Bronze: The Robert H. Clague collects ion of Later Chinese Bronzes 1100-1900, Phoenix, 1993, cat. no. 12, where it is pointed out that the auspicious feiyu motif, began to be used at court from the early Ming dynasty, as seen on stone panels built by the Hongwu Emperor recovered from ruins at Nanjing.
For another rare signed work by Zhu Zhenming, see the small circular parcel-gilt seal paste box and cover in the Victoria and Albert Museum, illustrated by Rose Kerr, Later Chinese Bronzes, London, 1990, pl. 42.