This marauders map (Harry Potter) jigsaw took half a year to complete. : r/Jigsawpuzzles
Harry Potter Marauders Map 550pcs Jigaw Puzzle - by Paladone - Collectors Tin 5055964732943 | eBay
1000 piece Marauder's Map from the Noble Collection. Far and above the most difficult puzzle I've done! (Figured out how to post a better pic) : r/Jigsawpuzzles