Art Nouveau Disney Princess Panoramic Puzzle by Clementoni, 1000 pieces. The puzzle that took me six years to complete...only because I completely forgot I had it. Eight hours total to complete. :
Amazon.com: Clementoni 20140.2 Disney Princess Clementoni-20140-Brilliant Puzzle-Princess-104 Pieces, 6 (EU) : Toys & Games
Clementoni Disney Princess Panorama 1000 Pieces Jigsaw Puzzle High Quality | eBay
Clementoni Maxi Puzzle Disney Princess, 60st. | Thimble Toys
Puzzle Disney princesses 104 pieces, 100 pieces | Puzzle-USA.com