Geneva (20 November 2012): A new survey on standards of finenesses and CCM finenesses, which are legally recognised in the 19 Convention's Contracting States, has been published on the web site (see "Documents and Statistics").
According to the survey, 5 CCM finenesses are legal standards of fineness in all Contracting States: Pt 950, Au 750, Au 585, Ag 925 and Ag 800. 14 Contracting States have weight exemptions while 5 Contracting States have no such exemptions. NB: There are no weight exemptions under the Convention.
For more information, see survey at link below.