| 摘要 |
Security element (1) for documents in general, 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), wherein 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. |
