Vintage Japanese Arita Ware Porcelain Tea Cup- Set Of 4

Vintage Japanese Arita Ware porcelain teacups set. Tea cups have a dark blue exterior with a wave pattern and floral detail inner rims. Originally purchased in Japan in mid 1960s. Never used for service. Displayed in glass china cabinet. Excellent condition. Arita ware originated in the town of Arita, Japan, in the 17th century.  IIt is known for its high quality and beautiful designs, often featuring vivid colors