9304 - Genuine, Imitation or Fake ?

Verinigung Schweiz. Juwelen - und Edelmetallbranchen

This brochure guides us through the different elements and semi-precious and precious materials and the rules that are put in place to authenticate and validate them.
It is a photocopied document with the back cover detached.

 

25 pages


Langue : anglais

CHF 50.00