Vintage Trimont China black porcelain teacup/saucer and yellow teacup/ saucer

This set of 2 antique cups and saucers set is marked Trimont China from Occupied Japan, from the 1940's-1952, and is a rare find. The colors are vibrant and surface is without chips or cracks. The rose blossom is pink and white and is on saucer and cup. (These photos do not do it justice.)
The cup is 4 3/4 inches wide(w handle) and 2 3/8 inches tall. It holds 4-5 fluid ounces. The saucer is 5 1/2 inches wide and 1/2 inch deep.
The bold black teacup is paired with a vibrant yellow saucer and the yellow teacup with the black saucer but they can be paired matching. They would be an eye catcher on any table.