Analysis of information sources in references of the Wikipedia article "Droste effect" in English language version.
By putting a picture inside a picture, you get a progression of successively smaller, but self-similar images (the box of Droste cocoa has a picture of a woman holding a box of Droste cocoa... ). In theory, this nesting could go on forever into infinite detail, but in practical terms, the resolution of the image limits how it's actually drawn.
Around the year 1900 the illustration of the "nurse" appeared on Droste's cocoa tins. This is most probably invented by the commercial artist Jan (Johannes) Musset [misspelling for Misset], who had been inspired by a pastel of the Swiss painter Jean Etienne Liotard "La serveuse de chocolat", also known as "La belle chocolatière".
Around the year 1900 the illustration of the "nurse" appeared on Droste's cocoa tins. This is most probably invented by the commercial artist Jan (Johannes) Musset [misspelling for Misset], who had been inspired by a pastel of the Swiss painter Jean Etienne Liotard "La serveuse de chocolat", also known as "La belle chocolatière".
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: CS1 maint: unfit URL (link) for examples and opinions on how this effect was used symbolically.