The Droste Effect and product packaging

It seems like Box Vox’s Randy Ludacer is losing some sleep over the relative scarcity of consumer products that employ the Droste Effect on their packaging—i.e., packaging that features within its artwork a picture of the packaging itself. (This gets mathematicians excited because of its “implied infinity” of images—the smaller product image should itself have an even smaller product image on it, and so on.) Randy already has Land ’O Lakes butter and Royal baking powder on his list.