A beautiful set of 5 stone inks in a blue box. 5 colors: red, white, yellow, green and navy blue. Gold engraving . 

 DO YOU KNOW THAT...?
 Tusz  that is mò 墨 has been used in China since ancient times for calligraphy and painting. Traditionally, a stone carcass is used, which with the addition of water is rubbed on a specially designed vessel.