Stunning monumental 100 piece concrete bookcase by Willy Guhl. Made up of 4 different sized hand-made concrete cubes. Completely modular and able to be arranged in a multitude of ways. Original concrete color. Some with slight patina or light paint. Great bookcase or standalone sculpture. Great vintage condition. Can be used indoors or outside. Dimensions vary depending on arrangement. Impressive presence in person. Massive scale. Sold as a set of 100 pieces.