The 'eagle' mark also known as the 'bell' mark, or mexican government assay mark, was used from approximately 1946 to 1979 (according to warmans jewelry 2nd edition by christie romero), and signified that the item so marked was at least of sterling (0925 or 925% silver) quality. Assay office birmingham was founded in 1773 to provide assaying (testing) and hallmarking of precious metal items (gold, silver, platinum and palladium) as required by the hallmarking act it has been a centre of expert opinion and independent assessment of jewellery and precious metals for nearly 250 years. Background to hallmarks and case marks the testing (assay) and hallmarking of gold and silver items in britain goes back to the year 1300 at first the wardens of the goldsmiths' company would visit guild members workshops and stamp their work with the mark of the leopard's head.
The mexico silver or silver made in mexico marks are seen on pieces from the 1920's through mid 1940's, their silver standard varies, but is commonly above 925 purity the following number marks indicate silver purity in a percentage of 1000ths. Welcome to assay office birmingham - early silver hallmarks database the office has a proud history of testing and hallmarking items manufactured from precious metals since 1773. How to read, decrypt and identify the marks on english silverplate and electroplated silver the step by step guide to trace english / british silverplate no codified rule was followed by the makers in the marking of their electroplated pieces. Reading british silver hallmarks the vast majority of english, scottish and irish silver produced in the last 500 years is stamped with either 4 or 5 symbols, known as hallmarks the prime purpose of these marks is to show that the metal of the item upon which they are stamped is of a certain level of purity the metal is tested and marked at.
A typical set of antique british silver hallmarks showing (left to right) 1standard mark, 2city mark, 3date letter, 4duty mark and 5maker's mark this set of marks tells us that this piece was made of sterling, in the city of london, in the year 1789, during the reign of king george iii, by the silversmith thomas wallis. The shield design around the assay office mark may vary according to whether the article is gold, silver or platinum the key mark to look for is the common control mark the three other marks must also be present. Gold hallmarks originated to show the purity of gold in a piece of gold jewellery and included the mark of the assaying office that certified the purity as well as the fineness or caratage of the goldlater, trademarks that showed which goldsmith had manufactured the product were added. Makers' marks on british & irish silver the aim of this web site is to provide an aid in the identification of british and irish silversmiths from their makers' or sponsors' marks all graphics are taken from real hallmarks. A silver object that is to be sold commercially is, in most countries, stamped with one or more silver hallmarks indicating the purity of the silver, the mark of the manufacturer or silversmith, and other (optional) markings to indicate date of manufacture and additional information about the piece.
Nb please note that actual labels or marks may be significantly larger or smaller than the illustrations shown anchor hocking glass co, usa (established 1905. This is a page of a small collection of antique silver and objects of vertu, a 1000 pages richly illustrated website offering all you need to know about antique silver, sterling silver, silverplate, sheffield plate, electroplate silver, silverware, flatware, tea services and tea complements, marks and hallmarks, articles, books, auction. Silver hallmarks guide the english silver hallmark system is the world's oldest quality control standard for silver articles and gold, and has been in use since the 12th century it began at the goldsmiths’ company assay office in london 700 years ago.
Silver round liberty triumph is the fifth annual issue of my ongoing series of liberty-themed silver art medals liberty’s triumph rounds come encapsulated and with a certificate of authenticity. Feathers in resin for a more detailed explanation, please see my techniques essay in william spratling & the mexican silver renaissance, page 188 also the i went to silver forum mystery marks and didn't really find any information such as who he is, time period of jewelry, etc in the mystery marks forum, jackie weeks asked about a. Determining the date on london assay office marks 1776 - 1795 (xvi cycle) this is the introductory page of the article about london marks of 1776-1795 that will be published in the january 2011 newsletter.
Between 1784 and 1890 five marks are struck on silver crafted and hallmarked in the uk: the maker mark, the sterling standard mark, the town mark, the duty mark and the date letter there are some exception for small articles and detachable parts of silverware like tea and coffee pot which were occasionally only partially hallmarked. Hallmarks - what do they mean new examples of fake hallmarks from the first design period have been added to this section the hallmark data below is the basic summary information (without photos of the verified variations to date) on spratling's hallmarks. Silver from the midlands and north of england is much scarcer, with the cities of hull and leeds being the most likely to occur the hallmarks do not follow the standard pattern of london marks and usually are marked with a town mark (often the city's arms) and a makers' mark. Silver, palladium, gold and platinum are rarely used in their purest form but instead they are normally alloyed with lesser metals in order to achieve a in the uk this mark consists of at least two letters within a surround no two marks are the same 2metal and fineness (purity) mark.
Markedbyteacherscom coursework, essay & homework assistance including assignments fully marked by teachers and peers get the best results here. Our registers of maker's marks (now called sponsor's marks) go back to 1773 if you have a piece of sheffield-marked silver, gold, platinum and palladium, we can identify the sponsor, and usually the maker for you. The goldsmiths' company assay office: hallmarking in london since 1300 assaying gold, silver and palladium and platinum laser engraving and lab services. The next is the fineness mark, which is the precious metal content expressed in parts per thousand of silver, gold or platinum are represented by the millesimal fineness contained within a uniquely shaped shield associated with said metal.