Vintage MCM Brutalist John DeMott Art Sculpture Brass Onyx 10" Sail Boat USA. Approximately 25 cm (or 9.75") tall and weighing 787 grams. Signed DeMott on the onyx bass, which is for John DeMott, who was based in Colorado and made these sculptures primarily in the 1970s. In great condition with no chips or cracks. A lovely addition to any collection.