Works by Franz Kline, Giacometti and Lipschitz hang against a wall paneled in golden oak. The sofa is upholstered in Clarence House velvet. High-Rise Duplex Apartment The living room is a tour de force of understatement, a sumptuous composition of palest greys, silvery blue tones and creams, accented by early-to-mid-century French and Scandinavian ceramics. Armchairs are from Holly Hunt and the sofa is upholstered in a rich velvet by Gretchen Bellinger. High-Rise Duplex Apartment The Master Bedroom is a subtle, luxurious expanse of neutrals: palest biscuit and cream tones. The sweeping curtains are in fabric by Rogers & Goffigon, the bed linens by Frette, Hirsch’s linens of choice. High-Rise Duplex Apartment A 1955 painting by Joan Mitchell in a gilded frame hangs above the mantelpiece. High-Rise Duplex Apartment At the foot of the dramatically curving staircase, carpeted in velvety cut pile, a massive torso by Rodin signals the superlative array of modern art collected by Hirsch.