A monumental work by Roy Lichtenstein, *Wallpaper with Blue Floor Interior* showcases the artist's signature Pop Art vocabulary through bold Ben-Day dots, flat planes of primary color, and crisp black outlines rendered across five large-scale screenprinted panels. The composition playfully explores the tension between interior space and decorative surface, collapsing the distinction between fine art and commercial pattern design. Printed on Waterleaf paper with colors that remain vivid and fresh, this untrimmed work exemplifies Lichtenstein's mastery of the screenprint medium and his enduring engagement with the language of mass reproduction.