![Amazon.com: House of Stairs by M.C. Escher Fantasy Art Print Poster, Overall Size: 17.75x31.25, Image Size: 14.5x28.5: Posters & Prints Amazon.com: House of Stairs by M.C. Escher Fantasy Art Print Poster, Overall Size: 17.75x31.25, Image Size: 14.5x28.5: Posters & Prints](https://m.media-amazon.com/images/I/41qUZNHvIaL._AC_UF894,1000_QL80_.jpg)
Amazon.com: House of Stairs by M.C. Escher Fantasy Art Print Poster, Overall Size: 17.75x31.25, Image Size: 14.5x28.5: Posters & Prints
![Amazon.com: Hand with Reflecting Sphere, Self-Portrait in Spherical Mirror by M.C. Escher Art Poster Print, Overall Size: 21.75x25.5, Image Size: 14x21: Optical Illusion Poster: Posters & Prints Amazon.com: Hand with Reflecting Sphere, Self-Portrait in Spherical Mirror by M.C. Escher Art Poster Print, Overall Size: 21.75x25.5, Image Size: 14x21: Optical Illusion Poster: Posters & Prints](https://m.media-amazon.com/images/I/51CwwTseksL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Hand with Reflecting Sphere, Self-Portrait in Spherical Mirror by M.C. Escher Art Poster Print, Overall Size: 21.75x25.5, Image Size: 14x21: Optical Illusion Poster: Posters & Prints
![Amazon.com: Eye by M. C. Escher Fantasy Poster Print, Overall Size: 21.75x15.75, Image Size: 17x12.75: Posters & Prints Amazon.com: Eye by M. C. Escher Fantasy Poster Print, Overall Size: 21.75x15.75, Image Size: 17x12.75: Posters & Prints](https://m.media-amazon.com/images/I/51CC0PHybYL._AC_UF894,1000_QL80_.jpg)