Welcome to the Web Site of the Hallmarking Convention!
The Convention on the Control and Marking of Articles of Precious Metals (also known under “Hallmarking Convention” or “Vienna Convention”) is an international treaty between 18 Contracting States, which aims at facilitating the cross-border trade of precious metal articles.
States, which are party to the Convention, recognise that articles, which have been marked with the Convention “Common Control Mark” (CCM) and which are of a legal fineness, can enter their territory without additional control or marking. The number of CCM-marked articles is growing continuously – as shown in the yearly statistics – a sign that the international demand for quality precious metals articles remains high!
Members States | Assay Offices
To find the co-ordinates of the Convention's Contracting States
Presentation
To understand how the Convention operates, please download
the information brochure! (pdf)
NEWS
The Spring 2008 Meeting of the Convention took place at Goldsmiths' Hall in London.> more information
Inaugural meeting of the International Association of Assay Offices (IAAO). > more information
Round Robins on gold and silver have been launched. > more information