Da Vinci's World - 1000pc Miniature Jigsaw Puzzle by Educa (discon) - SeriousPuzzles.com
1000, Educa, The Rape of Helena (fragment), (Miniature) - Rare Puzzles
1000 Guernica, P. Picasso "Miniature" - Educa Borras
Educa Boras Guernica P. Picasso Miniature Puzzle (1000 Piece)
Mona Lisa, Educa "Miniature" series, 1000pcs. This is hands down one of the hardest because every piece fits perfectly with every other piece, and since it's tiny, it's hard to discern the