Coinbra , by lino tagliapietra , sculpture , Op Art style
A red, yellow, blue and black vase sitting on a table.
 of a colorful glass vase. The vase is round. It has a wide opening at the top. The opening is red. The inside of the vase has black, red, yellow, blue, and brown stripes. The stripes are horizontal and vertical. The colors of the stripes are bright and vivid. The background is a solid black color. The surface of the surface is smooth and dark.