This rare chair, designed by Gerrit Rietveld Jr., reflects his ability to blend modernist functionality with innovative details. Featuring a yellow painted plywood seat and backrest supported by slender, minimalist metal legs, the design is both practical and visually striking. The three circular cut-outs in the backrest function as a convenient handle for moving the chair, an idea inspired by his father, Gerrit Rietveld Sr., who often incorporated such practical elements into his furniture. This detail highlights Gerrit Jr.’s connection to his father’s design legacy while showcasing his own unique approach.Gerrit Rietveld Jr. (1927–1981), the son of the renowned architect and designer, learned his craft in the *Atelier Van de Groenekan*, the workshop where his father’s iconic works were produced. This hands-on training gave him a deep understanding of materials and construction. While influenced by his father’s geometric simplicity and functional aesthetics, Gerrit Jr. forged his own path, experimenting with modern materials and creating designs that responded to the evolving demands of mid-20th-century living.This chair is a rare example of Gerrit Jr.’s work, combining practicality, simplicity, and subtle nods to his father’s principles. It stands as a collectible piece that highlights the Rietveld family’s continued influence on modern design. I have official proof of authenticity such as vintage catalogs, designer records, or other literature sources and take full responsibility for any authenticity issues arising from misattribution