Relief panel of white marble with inlaid border of pietra-dura work on the inside of the entrance to the Taj Mahal, Agra. Marks and inscriptions : 'Panel at the Entrance of the Taj' These drawings were from a portfolio of drawings made by Delhi artists working in Calcutta for Colonel Pownall Phipps, father of the donor and Superintendent and Inspector of Public Buildings, Calcutta, 1816-1822. Taj Mahal; Drawings, Delhi, ca.1816-1822 Copyright: V&A Images