Satsuma Ware Couple's Teacups

These are Satsuma-ware couple's teacups. They were found in their box on my father's shelf, so I believe they are nearly unused. Size: Height with lids approximately (Large) 9.5 cm, (Small) 8.5 cm. Height without lids approximately (Large) 7.5 cm, (Small) 6.5 cm. Diameter approximately (Large) 6.5 cm, (Small) 5.8 cm.