University Games Paul Lamond 5995'The World’s Most Difficult Jigsaws/Cats' Puzzle (529-Piece)

Paul Lamond 5995'The World’s Most Difficult Jigsaws/Cats' Puzzle (529-Piece), Various Cat Colors

Paul Lamond Games Worlds Most Difficult Jigsaw Puzzle Dalmatians, white and black

The World's Most Difficult Jigsaw Puzzle, The Sweet Shop, 529pc