Tony Smith's monumental sculpture Smoke is a commanding example of Minimalist abstraction rendered at architectural scale, its faceted dark steel planes creating a dynamic interplay of light and shadow as viewers move beneath and around its massive interlocking forms. Originally conceived in 1967 and fabricated in large scale iterations for public installation, the work exemplifies Smith's signature approach of translating organic and geometric logic into bold volumetric structures that transform the spaces they inhabit. Collectors and institutions prize Smoke for its rare ability to function simultaneously as pure sculpture and experiential environment, making it one of the most sought after works in the canon of postwar American sculpture.