1.-5. Optical variation film for security and / or valuable documents

Abstract

The characteristics of the design are featured in the pattern; the views "optical variation 2", "optical variation 3", "optical variation 4" show how the design varies depending on the angle from which the product shown in the front view "optical variation 1" is observed; the top, bottom, right and left views have been omitted because the product is thin and flat; the back view has been omitted as it is not visible during normal use.

Images