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On, relatively, large objects as silverware (like candlesticks and flatware) full sets of hallmarks were stamped. The anchor for silver hallmarked in Birmingham. Examining a ring, brooch, bracelet, necklace, etc. How to read British Hallmarks - Time Worn Watches Sterling silver is 92.5% silver and 7.5% other alloys such as copper, nickel, or zinc. Fortunately, modern digital kitchen (or postage) scales are very accurate, allowing most customers to gain a relatively accurate indication of the weight of their gold. Once marks have been located and the piece has been established to be fine jewelry (not costume,) and the questions of what and when have been answered, reference materials can be targeted for researching the marks. By law, any item of gold weighing more than 1 gram MUST be hallmarked. In modern times it also serves as a trademark, much like why Coca-Cola labels its bottles. Unfortunately this is not always the case. Assay Office's published guide detailing many of the fakes and forgeries. numericals are different. The only hallmark found on the two chains is the name Americaner. Im not sure about your second ring, buy our Hallmark Wizard should help you with the first one. I know obviously some of the hallmarks meanings. When a maker chooses to mark such an item with a purity mark (either in pictorial of numerical form), the maker is responsible for the accuracy of the alloy (with some tolerance). I have my grandmothers ring it has the following on it: Am i to understand that it is 9ct, 375 fineness (so 37.5% gold) and hallmarked in London? Do your chains stick to a magnet? It is changed on 1 January each year. Makers Mark Antonio Pineada, Taxco (in the Shape of a Crown) with a Mexican Eagle Hallmark and the words Hecho en Mexico and a 970 Fineness Mark. The minimum weight that requires hallmarking for each metal is as follows: 0.5 grams for Platinum 1 gram for Gold 1 gram for Palladium 7.78 grams for Silver Compulsory Hallmarks Skip to content. I have determined that it was made in 1897, 18Kt and made by L&L.