Gold Stamp National Database

Online Encyclopedia of Silver Marks, Hallmarks & Makers' Marks

Welcome This project has been 18 years in the making and now documents over 12,000 silver marks on 1,200+ pages and subpages. It is regularly updated as we find and photograph new examples of silver hallmarks and makers' marks.

Australia : Stamps : Series List : Colnect

Australia : Stamps : Series List : Colnect 📮. Buy, sell, trade and exchange collectibles easily with Colnect collectors community. ... In Memory of Those Who Served (4) 50th Anniversary Amnesty International (2) 50th Anniversary National Stamp Exhibition 1928 (2) ... Australian Gold Medal Winners Olympic Games, Bejing (43) Australian Gold ...

Vintage Silver | Historical Database of Vintage Silver …

For the purpose of our vintage silver and gold database, we are considering "vintage", anything at least 40 years old. That being said, we do make exceptions and will generally allow any silver or gold bars and ingots that we think are …

ITALY SILVER AND GOLD HALLMARKS

HALLMARKING CONVENTION Italy is country member from 2023 of the Convention on the Control and Marking of Articles of Precious Metals, an international treaty between States on the cross border trade in precious metal articles.It was signed in Vienna in November 1972 and entered into force in 1975. The Convention's Common Control Mark (CCM) has the same legal …

Jewelry Maker's Marks Identification Guide – Gold …

Look up designer jewelry maker's marks using this list of designers and images of their stamps. Contact Heritage Auctions for a free appraisal of your designer jewelry.

Jewelry Identification Marks: Hallmarks & Maker's Marks

In 1906, the United States mandated that jewelers add a purity mark on their wares in the National Gold and Silver Stamping Act. But this came a long time after Great Britain's 14th-century decree for hallmarking, which required a date letter stamp – a letter that would link to the year in which it was registered.

Antique & Vintage Jewelry Hallmarks Identification …

Look for an etched Circle with three dots and a 9-karat Gold mark inside: 750 Stamp: 1900s: A '750' number stamp for 75% or 18k gold: 585 Mark: 1900s: An etched '585' stamp for 14-karat gold: Avoid getting vintage Gold …

How to Read Gold Identification Marks on Jewelry

A 750 gold stamp indicates that the gold is 75 percent pure, or 18K. The other 25 percent is made up of other metals, usually copper and silver. What does 750 mean on a gold ring? If you have a ring that is marked with "750" this indicates that the piece is made of 75% gold and 25% other metals (such as silver, palladium, or nickel).

Waltham Pocket Watch Serial Numbers Lookup: Identification, …

Information, serial numbers, specs, and values of American antique pocket watches, with serial number lookups for manufacturers such as Elgin, Illinois, Waltham, and Hamilton.

Identifying antique gold hallmarks – an in-depth guide

The stamp for gold items is a rectangle that has had its corners removed, giving it eight sides. The current numerical format was made compulsory in 1999 so antique gold does not necessarily conform to this format. Antique gold of 18ct and 22ct will be denoted by a crown (for gold) and a numeral, 18 or 22, which were the standards up to 1854.

Genomes OnLine Database（GOLD）25： …

《》DOE Joint Genome InstituteReddyNucleic Acids Research（IF=19.160）[1],Genomes OnLine Database（GOLD）。. . GOLD,。

Pocket Watch Serial Number Lookup & Info | Pocket Watch Database

Pocket Watch Serial Number Lookup Database. From the American Horology Archive Pocket Watch Serial Lookup & Information ... the Elgin National Watch Company constructed a dedicated observatory to time and adjust watches using celestial positioning. ... in diameter, struck in bronze with a gold finish. The obverse displays a portrait of Seth ...

Italian Gold Jewelry Makers Marks List(Check This List)

In Italy, the makers' marks are only assigned to the registered goldsmiths, and the use of the marks is overseen by a national body such as the Chamber of Commerce. ... For gold, here are the common stamps: 999 – 24K gold; 990 – 24k Gold; 916 – 22K Gold; 750 – 18K Gold;

Jewelry Makers Marks Database

One of the oldest and most important avenues of identifying precious metals and gems is by researching makers marks inscribed on them. These marks can be hallmarks, trademarks, or signature stamps applied by the master goldsmiths or even personal symbols that convey meaning for both designer and wearer. They …

Maker's Marks – Antique Jewelry University

Maker's marks are the initials or name of the manufacturing firm or other representative symbol stamped into a gold, silver or platinum item. Also called 'Trademarks,' they often provide the only evidence that a certain...

Pottery Marks Identification Guide

A pottery mark is a stamp, logo, or signature on a piece of pottery or porcelain. Pottery marks can be found on the bottom of a piece and used to identify the maker, the country of manufacture, and sometimes the date it was made. ... You can also search online databases such as "The National Tableware Association Database" or "The Pottery ...

Gold Jewellery Hallmarks & Makers Marks | World Gold Council

Gold hallmarks are one of the earliest forms of consumer protection. Learn about gold makers marks and how gold purity is proved and recognised here. ... If an item is marked, it must also have a trademark stamp in close proximity to identify its origin. In the US, the fineness in parts per thousand is often used to indicate purity instead of ...

Your Guide to Gold Markings and Stamps on Jewelry

Ever see those tiny markings and stamps on gold jewelry? Use this guide to understand what hallmarks are—and what they mean.

FAQ

The vast majority of dealers are trustworthy but it is not a bad idea to verify that a dealer is a member of the American Philatelic Society (all dealers listed on the above mentioned dealer database are APS members), the American Stamp Dealers Association or the National Stamp Dealers Association as these organizations have established codes ...

Stamp Mill

MARKER DATABASE "Bite-Size Bits of Local, National, and Global History" ... Inside of the Consolidated Gold Mine 120 stamp mill 1899-1906. The largest gold-milling plant east of the Mississippi River was built in Dahlonega for the Consolidated Gold Mining Company in 1900. The mill had the capacity to process 600 tons of gold-bearing ore per ...

Gold Hallmark Identification Wizard

Gold Traders has compiled a gold hallmark identification wizard to help decipher the markings stamped on your item. Have a look at your piece of jewellery.

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What is a Medallion Signature Guarantee? Where Can You Get …

The presence of the Medallion Stamp ensures that the entity providing the stamp is a member of a Medallion signature guarantee program and is a verified, SEC-approved, signature guarantor.

A Guide to Jewellery & Gold Hallmarks | James Porter & Son

What does a hallmark show? At the four assay offices around the UK, every piece of hallmarked jewellery is independently tested and marked (traditionally by a stamp, but more modern techniques involved a laser) to assure that it conforms to the legal standards of purity for the respective metal.Think of it similar to a diamond certificate but instead, a hallmark details the …

Hallmarks on Period Jewelry – Antique Jewelry University

Silver and platinum purity stamps are much like those for gold but the pictorials c.q. numericals are different. The phrase "sterling" is stamped on many post-1870 USA pieces. ... The stamping of jewelry made from precious metals is regulated in the USA by the National Gold and Silver Stamping Act of 1906 (also known as the Jewelers ...

Assay Offices

The aim of this web site is to provide an aid in the identification of British, Irish and other foreign country's Gold, platinum and occasionally palladium and silver makers marks that are seen on jewellery today. All images are taken from real hallmarks. The …

Shareholder Services Association

Enter Universal STAMP; in Universal STAMP, firms can conduct their shareholder due diligence virtually, upload signed PDF transfer instructions, affix a digital medallion, and route the document to the Transfer Agent seamlessly, all from anywhere with an internet connection.

Identify Gold Symbols, Markings and Hallmarks Stamped on Your …

When you look closely at your gold jewelry, you will notice its markings. Each marking conveys information about the piece. Understanding the symbols, markings, and hallmarks stamped on your gold can give you insights into your jewelry's purity, origin, and history.

United States

Now showing: United States - Postage stamps (1847 - 2025) - 6902 stamps. 1847 Benjamin Franklin, 1706-1790 and George Washington, 1732-1799 - Bluish Paper 1.

researching makers marks

Over the ages most makers of precious metal objects have chosen to identify their creations by leaving their "mark". Types of marks, their location and meaning vary greatly and have been adopted and used many ways around the world. In addition to the mark of the maker, marks may be present that indicate the materials

PCGS The Standard for the Rare Coin Industry

PCGS CoinFacts The most comprehensive database for U.S. coins on the internet, and a leading educational resource for buying, selling, and collecting coins. CoinFacts NoteFacts PCGS Price Guide Your extensive guide to numismatic coin values featuring current and historic coin prices, indexes, and graphs.

NPTC FAQ

The Master Database (MDB): This is one of most highly prized tools available to our members, whether or not you collect stamps from the parks. The Master Database is our crowd-sourced register of all NPS and other stamping locations across the United States. It contains images and GPS locations of all known Passport to Your National Parks© stamps.

Antique Gold Hallmarks Identification Guide

It tells the content of the original gold in the gold object and its ratio with impurities. The standardized system gives the purity estimate in parts. For example, if 750 parts of a gold necklace are pure gold out of 1000, it is 18-carat gold. Now, there are standard gold hallmark symbols for gold objects as well. These include:

JEWELER DIRECTORY

This massive database features an alphabetized list of famous (and some not-so-famous) jewelers, manufacturers, silversmiths, and watchmakers. Scroll down and click on a letter to …

The most complete stamp

Stampworld is the largest, most complete and updated online stamp catalogue in the world with features to buy and sell stamps and collections. Languages: Sign up Login ; StampWorld. Catalogue My Profile Search Profiles Buy Stamps Sell Stamps About Us News Events Facebook Forum Clubs Organizations Dealers Auctions Postal Services Links Video ...

Gold Hallmarks Explained: A Comprehensive Guide to Identifying …

Get a professional hallmark verification and instant quote for your gold items. Learn how to read and understand gold hallmarks with our expert guide. Discover the meaning …

Simple Gold Hallmark Guide

Hallmarking (also called assay or standard marking) is the official quality control mark that determines the purity of gold and other precious metals. To receive a price quotation …

California Stamp Mill

MARKER DATABASE "Bite-Size Bits of Local, National, and Global History" ... The result was the "California Stamp," a machine so efficient it was used in gold mining throughout the world. Stamp mills often ran around …

Lookup

Locate insurance company information, verify names in policies, and contact your state insurance department using the NAIC's lookup tool.

Identifying Gold Hallmarks

This is where gold hallmarks can be handy. Gold calculators are widely available online, and in order to use such tools, you should know the gold type and its. Skip to content. April 20, 2025 ... One of the most important marking in gold hallmarks is the mark for the purity or fineness of gold. The stamp's shape will reveal if you indeed have ...