There today exist highly cunning and almost perfect fakes, but they have their flaws, too......
But I am not enjoined to divulge every single detail.
- - ------- - -
and the existence of good fakes means only a threat to those too flabby of mind and defective of character to carry out their due diligence.
Totally agree FB with not disclosing all info on fakes.
RZM SS tags have been faked for decades.