These stamps are typically made up of the manufacturers initials, name, or another unique representative symbol. In case, you fail to recognize the symbols on the gold jewel or ornament, we recommend browsing this website:Hallmark Research Institute. James Porter & Son Jewellers 24 - 26 Argyll Arcade, Glasgow, G2 8BA. Frequently Asked Questions, Ethnographic Art: American Indian, Pre-Columbian & Tribal, Modern & Contemporary, Prints & Multiples, and Urban Art, All Jewelry, Timepieces & Luxury Accessories, Jewelry, Timepieces & Luxury Accessories Resources. Whats the Difference Between Vintage And Antique ? And therefore, the authorities sought a more reliable means of hallmarking gold objects. Search the history of over 806 billion For gold, the CCM symbol is the balance scales, superimposed on two intersecting circles. This is necessary because pure gold is soft, and would be unsuitable for many applications (jewellery in particular). In France, historically, theAdministration de la Garantiestored copper plates on which makers marks were stamped (by law) creating a record of the mark. Today, it takes research, practice and patience to decipher hallmarks, sorting the fake from the real, the precious from the dross. We love our work and will be happy to help you with your query, we can also book a convenient time for a consultation to find the exactly what you need.. Simon is the 5th generation Porter to look after the day to day running of the James Porter & Son store since its inception in 1858. 18th . Hallmarks are used to identify the purity of metals, particularly gold and silver. 0121 369 3000. We are aware that some members have been unable to log in to the Members' Area. At some point these were all destroyed, leaving us without this valuable historical reference. Examples of British hallmarks in watch cases - Vintage Watch Straps If it was made in a country that adheres to the Convention on the Control and Marking of Articles of Precious Metals (otherwise known as the Common Control Mark), you should find a set of hallmarks / stamps. Dallas, TX 75261-6199