Incense is generally used in Buddhist rituals and practices. Practically, the incense burns before an icon and within a shrine and temples etc. The purpose of burning incense is purification, or to welcome someone.
The cover of the object is embossed with syllables, Om, Ma, Ni, Pad, Me, Hum, written in Lantsa letters. Both the edges of the cover are decorated with dotted strips. The top of the cover is embossed with a double-vajra. A coral is inlayed on the middle of the vajra. Four turquoise stones have been inlayed on the four sides of the cover. The upper portion of the vessel has been embossed with four auspicious symbols; umbrella, vase, victorious banner, and infinite knot. These symbols have been embossed between the dotted strips and below this again the syllables Om, Ma, Ni, Pad, Me, Hum in Lantsa letters have been embossed. After this adornment, three eight armed standing deities and three stylized dragons have been embossed. Below each deity is vajra inlayed with turquoise. The deities and dragons etc. are depicted within dotted strips. The syllables, Om, Ma, Ni, Pad, Me, Hum again have been depicted below. At the bottom the four remaining auspicious symbols; wheel, conch, victory banner, pair of fish have been embossed. The bottom of the vessel is engraved with double vajra.
This description by Dr. Shailendra Kumar Verma, Ph.D. His doctorate thesis being on the "Emergence and Evolution of the Buddha Image (from its inception to 8th century A.D).