At the Bruce Museum, an exhibition of duck stamp art tells a 90-year-old story about how paintings can contribute to land preservation. At the Bruce Museum, an exhibition of duck stamp art tells a 90-year-old story about how paintings can contribute to land preservation. Stamps (Postal), Conservation of Resources, Museums, Ducks, Art, Collectors and Collections, Bruce Museum of Arts and Science, Greenwich (Conn), Prager, Richard NYT > Science