ArtworkAnnouncement for Tactile Rainbow No. 6, Gallery 669, Los Angeles, November–December 1967Sign in to saveAy-O — 1967 — Mailed sack, crumpled offset lithograph, and letterpress cardArtwork · Museum of Modern ArtMailed sack, crumpled offset lithograph, and letterpress cardArtistAy-OMediumMailed sack, crumpled offset lithograph, and letterpress cardView at Museum of Modern Art · Open Access