Thank you Rivkin, I know that you also tried to direct me in that direction - when you mention the cheramics - but I did not understand it at the time - sorry.
None the less - this is a most interesting subject, and I tink that much more forumites should join.
This is not only facinating, it is essential how to find out, how old a thing is - and to prove it. Any collector must be interested to join this discussion!
Jens
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