Chinese Manchu Jade Nested Seals

Chinese Manchu massive spinach jade imperial-style nested seals, the circular inner seal carved with a low relief dragon on the upper portion, the bottom reading 'Yongzheng zhi bao', all set into the hollow body of the two-part outer seal with long gilt-accented incised Chinese and Manchu inscriptions on the sides with the bottom bearing the reading 'Yongzheng yu xian', the top/lid carved with a large dragon in high relief, with a square zitan-stained stand and box carved to the top with archaistic designs, seal 5.5''h