8 Vintage Set 60s Japanese Stacking Mugs Cups Bird Butterfly Fruit Graphic MCM

Groovy set of 8 vintage 1960s Japanese ceramic stacking mugs with different graphic prints including birds, butterfly, fruit, trees, and fish in a graphic, colorful mid-century style. Cute heart-shaped handles. Unbranded but marked "Japan". 3.5"T x 3"W x 3.75"W (including handle). In Excellent condition -- appear to have never been used. Graphics are vibrant and pristine.