Clay 'tsa tsa' or votive offering.
This tsa tsa is of unusual form (often tsa tsa are cone shaped, but a cone above a cylinder as in this example is less common). To form a tsa tsa mud or clay is pressed into a metal mould and then left to dry in the sun. Often tsa tsa would incorporate the ashes of an important lama or family member. Once completed tsa tsa are placed inside a chorten (stupa) or momument.