These links are to reference sites to help in the researching and identification of estate jewelry and silver.

Antique Jewelry University
This site has excellent reference information on styles and makers of jewelry.

Jeweler Directory of Trademarks by Global Gemology & Appraisals
This site has excellent reference information on styles and makers of jewelry.

Heritage Auctions
Heritage Auction’s database of jewelry markers marks.

Pocket Watch Database
Find out info, specs, and value for your antique pocket watch. Serial number lookups for manufacturers such as Elgin, Illinois, Waltham, and Hamilton.

Mikrolisk – The Horological Trade Mark Index

Excellent database of mostly European watches and watch case makers.

925-1000.com
925-1000 is considered the “go to” site for the identification of sterling silver items, and markers marks and hallmarks.

Silver Makers Marks – UK
Silver Maker’s Marks is a comprehensive site of current British date marks and modern maker’s marks as well as antique marks.

Argenti
History & Styles of English Silver from the Middle Ages to Art Deco.

Sterling Flatware Fashions
An excellent research site. Look at the drop down menu on the upper left as there are a number of pages.

Master Online List of Silver & Jewelry Marks
This is a link page of Maker’s marks pages maintained by ChicagoSilver.com

Dating Silver-plated  Christofle Hollow ware
This helpful article explains numeration in silver-plated  Christofle Hollow was and its application to dating items.

Chinese Argent
This site provides reference material on silver maker’s marks, with an focus on Chinese marks, a growing field of interest in the estate market.

HallmarkWiki
Hallmark Encylopedia, more then 15,000 silver hallmarks from all over the world. New hallmarks added every day.

Indian Native American Hallmarks
Indian Native American Jewelry Artists  & South West Shop Hallmarks A to F

Indian Native American Indian Jewelry Hallmark “Maker’s Marks” Identification
Mark Sublette Medicine Man Gallery’s online image database of Native American jewelry hallmarks we have collected and photographed over the years. You may search by hallmark, picture mark, shop mark, or by the artist’s name to identify a maker. We will continue to add to our database as time allows. Attributions are to the best of our knowledge and we always appreciate our friends and collectors helping us to make this page as accurate as possible.

Silver Collection
The Silver Collection is another silver reference site that is particularly useful in identifying Italian gold and silver numerical maker’s marks.

Sterling Flatware Fashion
A comprehensive guide to American sterling silver flatware, a tremendous resource of flatware information, retailer marks, current silversmiths, silver repair and replating services.

British & Irish Silver Maker’s Marks
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.

J.H. Tee Antiques Ltd.
J.H. Tee Antiques has a useful reference page with a special focus on Canadian Silver.

Link to Koval’s English Registry of  Marks. The diamond-shaped English Registry mark, was used by the English patent office since 1842 to identify pieces of English pottery, porcelain, and other products. It is easy to tell when the ceramic was made.

Trademarks on Base-Metal Tableware
Link to Trademarks on Base-Metal Tableware  Late 18th century to circa 1900 (including marks on Britannia metal, iron, steel, copper alloys and silver-plated goods. Eileen Woodhead

The Ganoksin Project
The Ganoksin project provides a variety of quality services for the gem and jewelry community. We work hard to maintain the high standards of our services for the benefit of our visitors. Our services are provided free of charge and to the benefit to all.

The Gemology Project
The Gemology Project is a non-profit gemstone and gem science wiki-style database for anyone interested in gemstones and gemology (gemmology). Every month we highlight a gemstone and a piece of gemstone identification equipment to help us all understand more about the wonderful world of colored stones and diamonds.

Chrono-Shop
Chrono-Shop is a parts site that has a lot of Rolex marks and code information posted on their site.

Edit 10-26-2023