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. :
ART NOUVEAU Puzzle 2 Jigsaw Puzzles in a Box Vintage Lady Portrait Images by A. Mucha, Each Puzzle 300 Pieces 26x38cm 664-068 - Etsy
Puzzle Art Nouveau Step-Puzzle-79121 1000 pieces Jigsaw Puzzles - Art - Jigsaw Puzzle
Wenthworth Art Nouveau Collage Jigsaw Puzzle 500pc
New Art Nouveau - Zodiac Wooden jigsaw puzzle (400 - 500 pcs) by Mrgogo Puzzles : r/puzzles
Ravensburger Disney Art Nouveau Princesses Jigsaw Puzzle, 1000 Piece | Buy online at The Nile
Art Nouveau Tiles 1000 Piece Puzzle – The Puzzle Nerds
Holdson Puzzle - Vintage Pop Art, 1000pc (Art Nouveau Poster) | Holdson Limited, NZ
Art Nouveau Tree Jigsaw Puzzle by Patricia Keith - Pixels