http://www.potsaa.com/platinum-trim/
How can you tell if the seal on the glasses is silver or platinum?
Platinum does not tarnish, so it would be a way to say it. But platinum is a metal disk that is difficult to imagine that it is used to decorate glass. We really need a high-end manufacturer you would probably find a kind of trademark. In addition, if the glasses are more than 100 years, it can not be platinum because they could not even do platinum jewelry before 1900 because they lacked the necessary process to work with her.
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