"Droste effect" - The Dutch chocolate maker Droste, famous for the visual effect on its boxes of cocoa. The image contains itself on a smaller scale. This is called the "Droste effect"
50 Stunning Examples of the Droste Effect | Webdesigner Depot
Droste Effect Inspiration …
Escher's Droste Effect - Infinite Zoom into a Single Vanishing Point. After Effects & Photoshop Plugin
Escher’s Droste Effect by Tom Beddard
Flower Poles byTom Beddard
iMac Droste effect. Some cool filters here.
Abstract Blue Geometric Droste Effect