Please help with hallmarks!

[size=150]Hello: I have a four-footed pitcher/teapot that I would like help with the hallmarks.
It has a five pointed crown with the center point being taller. Next comes the letter S with a line through it. Next it looks like an angled E with the center line of the E being a heavier stamp. Along the bottom of the hallmark it reads “silver on copper.” There looks to be “arches” around each part of the hallmarks. I tried to take a photo of hallmarks but it didn’t turn out but took a photo of teapot. Please help I would really like to know what I have. Thanks in advance
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Might be the Sheridan Silver Company. Check here:
925-1000.com/silverplate_S.html