The bottom of the saucer has K&A Krautheim SELB BAVARIA in a gold octagon-like frame. The numers are 0 with a 90 underneath. Then a green stamp of Bavaria Germany. They are in excellent condition with no chips or marks. Some of the number (0 90) are hard to read.
4 3/4 inch saucer, cup is approximately 2 3/8 inch high with a diameter of about 2.5 inches.