This charming set of cups and saucers are by Mikasa of Japan. They are marked "Mikasa Continental F3011, Casa Grande, Japan" on the bottom of the pieces. The pattern is entitled "Casa Grande" and a stoneware base in white with a brown ombre fade, and delicate images of wildflowers with an iris. This pattern was only produced from 1983 through 1985.

This set includes two footed cups and two matching octagon shaped saucers.
Cups: 3" tall, 3-1/2" diameter at the top rim.
Saucers: 5-7/8" square

The condition is as shown in the photographs. No chips or cracks. Almost no signs of use.