Help with makers marks crown, S, & shield

Any help you could give would be greatly appreciated. I’m trying to get as much information as I can. This is stamped on the bottom of my silver or silverplated tea server. There was a word or words stamped below the symbols that has faded.

Thank you!!
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Sheridan Silver Co., Taunton MA.

I have the set with three peaces one of them in goor shape