Fruit stickers are edible, though the same as any fruit; washing before eating is recommended. The glue used for them is regulated by the FDA.
100 Mind-Blowing Stickers Facts
You can eat the stickers on the fruit. The adhesive used for fruit stickers is FDA-regulated, and the paper is edible. However, don’t forget to wash it first.
To keep up with the competition, graffiti artists created rubber stamps, stickers and stencils for more efficient tagging. Some believed that this defied the true nature of graffiti, but at this point in the 1980s, everyone was focused on achieving fame.