A TIBETAN THANGKA DEPICTING GUR.MGON.PO MAHAKALA, standing with bent legs on a human figure, on a lotus, both hands in front of his abdomen and holding the kapala and karttrika, the tent-pole is resting on both arms, wearing tiger-skin, many body-ornaments, his face with angry expression, a large flaming aureol behind, a lama from the Sa.skya.pa school above, flanked by two disciples, surrounded by many deities, in a mountainous landscape, 18th/19th Century