The Ka'aba, fixed under glass, probably Saudi Arabia, 20th centuryA rectangular glass plate painted in polychrome and enhanced with colored metallic papers on a white background of the shrine of the Ka'aba in Mecca surrounded by architecture of the city. Above, a Koranic formula of protection against Satan and the Bismillah inscribed in black and framed by two medallions giving the names Allah and Muhammad. Frame. Dim. à vue : 39 x 54 cm A reverse-glass painting depicting the Ka'ba, probably Saudi Arabia, 20th century