[Oman-L] Omani hammered copper - old or new?

[Joachim Duester]

Can anyone advise on the following question which was
put to me today: 
          
> I would like to know how to tell the
> difference between modern reproductions, and older,
> or antique hammered copper items from Oman.
> I have recently seen what appears to be old Nizwa
> coffee pots, silver jewelry, and a sea chest
> Is there an easy method to determine age?