A TIBETAN THANG-KA DEPICTING A LAMA, seated on a double cushion, covered with a blanket, on an elaborate throne, his right hand in vitarkamudra, the left holding a manuscript, wearing skirt, overgarment, cloak and specific cap, his face with downcast expression, an aureol behind, in front of him a table with offerings, in a landscape, in velvet mounting, 19th Century