The Ka'aba, mounted under glass, probably Saudi Arabia, 20th centuryA rectangular glass plate painted in polychrome and enhanced with metallic papers on an ochre background of the shrine of the Ka'aba in Mecca surrounded by architecture including the minbar and mihrab of the al-Aqsa mosque in Jerusalem. Above, the Bismillah inscribed in blue within a cartouche and framed by two medallions inscribed with the names of Allah and Muhammad. 38.5 x 54 cmFrame . A reverse-glass painting depicting the Ka'ba, probably Saudi Arabia, 20th century