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Pottery & Porcelain

You can look for your mark by shape (below) or you can use the mark search box on the bottom right of the page. To scan by shape, look at your mark and determine the most likely shape category listed below such as crowns, shields, birds, etc. Or if your mark is a word or initial look for it in one of the "words & initials" sections below. These sections start with single letters and get more complex as you get further into the section.

Silver & Other Metals

Trying to discover the origins of your silver antique? Search our exclusive library of silver marks and 7,700 listings. This is a list of American silver marks and solid American silver.

Wondering what the difference is between marks and listings? Our silver marks include images of marks used on silver antiques, and the information you need to identify your collection. The 7,700 listings are lists of silver manufacturers, often with location, date of activity and other information – but without an image. Some of these manufacturers simply didn't place a mark on their products, and for others, we don't have the image. We'll continue to work to fill in gaps, though unfortunately we can't expect to find all of them.

To send us an image to include in the database, please email it to This email address is being protected from spambots. You need JavaScript enabled to view it. .

Identification Help

Every collector knows that the quickest way to identify a piece of pottery or porcelain is to identify the mark, but sometimes it's unreliable because marks are often forged and changed. This is a listing of the better-known marks and backstamps and enough information so that you can learn more about your porcelains. Research and experience will tell you if the color, texture, weight, design, or general "feel" of the piece is right. This will help you identify the mark.

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