Mandala of Rakta Shadakshari Avalokiteshvara, Tibet, c.16th century or earlier, gouache on cotton with gilt accents, 21.75 x 18.75 inches, unframed, mandala with central figure of Avalokiteshvara shown here as Rakta, in union with consort, holding prayer beads, lotus and jewel, square around central lotus marked with the jina colors, subsidiary mandalas in each of the four corners, upper register with fifteen images of deities and teachers illustrating the lineage of the Nyingma sect, various deities at bottom including Hayagriva, Mahakala and other feirce protectors, later Tibetan writing in red on reverse.