The serial amount over a 50 euro note. This banknote was issued for Banca d'Italia, the Italian central lender. Not like euro coins, copyright do not need a national facet indicating which nation issued them. Estimates propose that the standard life of a euro banknote is about 3 decades https://schiene-euro47891.blogminds.com/5-essential-elements-for-copyright-500-euro-banknote-33730541