What do the markings 70% and SSS on my Silver Flatware Mean?

I have some silver flatware marked 70%, and one marked SSS. Is there ANY value at all ? From Gwen in Salem, Oregon

Hi Gwen,

We are not familiar with the marking SSS as an indication of the grade of silver you have. Usually sterling silver is stamped with an S or SS. An SSS might mean your item is stainless steel. Do you have any other information about this flatware piece?

To sell sterling silver, it must be 925 or 92.5% silver. All other markings mean that it is some other type of silver. Different markings can indicate that it was made somewhere else since each country has their own system for hallmarking precious metals manufactured in that country.

Is it an exact “70%” that is stamped on your silver? Or does it look like “.700” or “700?” All of these could mean that you silver flatware is 70% silver alloyed with 30% of some other metal (s). For items that we are unsure about, we run XRF analytic tests to determine how much silver, if any, is available to refine. If you have a large amount of this material, we would recommend sending us an item that we can test before you send the whole lot.

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One Response to “What do the markings 70% and SSS on my Silver Flatware Mean?”

  1. janice nelson says:

    what do the numbers 5 34 on an international fork mean

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Arch Enterprises is one of the nation’s leading precious metal refineries. The company is happy to answer questions about precious metal refining for items made from gold, silver or platinum.

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