Da Vinci Maestro Kolinsky Brushes - at least 40% off - The Maestro designation is reserved for brushes manufactured using male winter Siberian kolinsky red sable fur. These are top-of-the-line, highest quality brushes. Expect superior spring and control, plus unsurpassed water-carrying performance. All brushes are handmade from raw material to finished brush by skilled artisans at the da Vinci factory. All brushes have seamless, nickel- or gold-plated brass ferrules that are rust-resistant and long lasting.