Eagle Shell Dish by Mottahedeh. 8 1/4 inche square. This porcelain accessory was designed by Mottahedeh especially for the dipomatic reception rooms of the Department of State and the White House. They may also be found in many U.S. Embassies around the world. The designs are adapted from Chinese export porcelain, circa 1810, bearing one of the earliest depictions of the American eagle found in ceramic decoration.