Ravensburger 1000 Piece Puzzle, Antique Map. This 1000 piece puzzle is 27 x 20" when assembled. Since 1891 Ravensburger has been making the finest puzzles in Ravensburg, Germany. It's their attention to detail which makes Ravensburger the world's greatest puzzle brand! They use an exclusively developed, extra-thick cardboard and combine this with their fine, linen-structured paper to create a glare-free puzzle image for a quality you can feel. Their steel cutting tools are designed and crafted by hand. This ensures that no two pieces are alike and guarantees perfect interlocking pieces.