Selegiochi M.C. Escher Puzzle Concave And Convex 1000 Pieces w/ Box Jigsaw Italy. Puzzle was only assembled once and has been in storage ever since, so it is complete. The pieces look brand new. Original box has some wear/age but is very sturdy. See photos for more information. The Selegiochi M.C. Escher Puzzle is a jigsaw puzzle featuring a design by the renowned artist M.C. Escher, showcasing a unique concave and convex pattern in black and white. Made in Holland, this 1000 piece puzzle comes with a box for easy storage and transport. This intricate and visually appealing puzzle is perfect for puzzle enthusiasts looking for a challenging and artistic activity to enjoy.