The paste should also be slightly yellowish and the glaze should have a fine meshed crackle. Regarding what it is, I am not so sure, but it might very well be an incense burner. The thinking in that case is that incense burners are filled with sand and then incense sticks are stuck in the sand. A probably age is early 20th century. This information is given as an example of private conversation only and is not intended to be used as a promotion of any individual piece.
All opinions is the authors and is given as such with all hazards of judging anything from a photo.