Cobalt Blue Band Occupied Japan Ironstone Demitasse Cup Saucer

This is a single demitasse or espresso sized cup and saucer, marked "Ironstone Ware Made in Occupied Japan" on the saucer. The cup has a different backstamp, it reads "Ironstone China N.K. Porcelain Co." The marks are green and have a similar symbol or motif in the center. The cup is 1 7/8" x 1 7/8." The saucer is 3 7/8" wide. There are no chips or cracks, but the saucer has utensil marks in the center and the cup has crazing with some coffee stains on the interior.