overview opening hours As well as beautiful, old and rare books, the Křenek antiquarian bookshop offers a wide-ranging collection of old maps, decorative prints, posters and engravings that will satisfy both collectors and interior decorators. Only originals from the 16th to 20th centuries are sold. opening hours january—december mon—fri 11:30—18:30 sat 11:30—16:00 sun closed more about opening hours opening hours january—december mon—fri 11:30—18:30 sat 11:30—16:00 sun closed