A 19th century Tibetan thangka depicting Grahamatrika, the three faced deity holding parasols, a vajra and other tantric implements. The upper section with Lama Tsongkhapa flanked by attendant bodhisattvas above a figure of Avalokitesvara and Amitabha. The lower section painted with Dzambhala, the wealth deity flanked by white Tara and green Tara, Grahamatrika, Mahavidya (Tibetan: za yum chen mo): a female deity that is related to the sun, moon, planets and constellations. She is sometimes referred to as the Queen of the Planets or mother of the Planets. She is a meditational deity and her special function or activity is to remove obstacles that are caused by poorly aligned astronomical events, 51 x 31 cm