Can these have been of terra cotta of the della Robbia school?
Another is a dining-room of copper, bronze and terra cotta shades.
In or near them were perfume vials of terra cotta with a few of glass.
In London, the substitute for the clay would be terra cotta.
The sphere is of terra cotta; the marks that have been made on it are rough and ill formed.
How minutely expressive ...