![img_37-4.jpg](https://gazette-eu-west2.azureedge.net/media/59527/img_37-4.jpg?width=750&height=500&mode=max&updated=09%2f28%2f2020+11%3a31%3a41)
Parallax Stereogram by American inventor Frederic Eugene Ives, starting price is €800 at Auction Team Breker in Cologne on October 30-31.
Using two parallel images each divided into extremely fine alternating lines, created the impression of a three-dimensional representation.
A fine example, a 6 x 8in (16 x 21cm) image of an outlaw pointing a revolver, comes up at Auction Team Breker in Cologne on October 30-31. The starting price is €800.