These are 4 pieces that appear unused.  Note the New Wave design with the color pattern.

(a) 1 cup

(b)  2 plates with circular inset - these are about 8 1/2 X 10" rectangles

c) 1 plate with square inset about 10" square edge to edge.

The cup and square plate are made in Luxembourg; the 2 circular inset plates from Germany.