SECURITY ELEMENT FOR DOUMENTS IN GENERAL AND IN PARTICULAR BANKNOTES, SECURITY CARDS AND THE LIKE

摘要

Security element (1) for forgery-proof documents, in particular banknotes, security cards and the like, comprising a support layer (2) having, at least on one face, a continuous layer of metallic material (3), characterised in that said continuous layer of metallic material (3) comprises at least one zone (10)having a reduced thickness of metal with respect to surrounding portions so as to be visually distinctive from the surrounding portions or vice versa.