U Number : 8313
Description (Catalog Card) : Shell duck
The body is made of a large shell cut open : the head is a pink limestone & was fixed on with a peg through a hole in the top end of the shell : round the top end of the shell, imitating the bird's breast colours, is incrustation, diamonds and triangles of lapis lazuli and shell set in bitumen.
Some of the tesserae are loose and are preserved.
[drawing]