Unique Shape 1950s White Copper Ink Box

This item was cleaned and its outer layer is made of white copper while its inner layer is made of purple copper. The surface of the cover was engraved with ancient Chinese Characters which is not readable. The cover is well fit with the body. The item's condition is excellent. There is no major damage except some wear and tear due to age. There is the mark "Zhong Hua Shu Ju" (meaning Chinese Bookshop) at the base of the item. Details please refer to photos.Size 7cm (w) x 2.3cm ( H )Weight :160gDate : 1950s