I need help with the hallmark [possibly Swedish?]

I recently purchased this server, and can’t for the life of mine figure out where the piece originated from, who made the piece, how old it is, or what the hallmarks mean. I’d appreciate if anyone can help me with this. I’m also wondering if this is worth anything (besides for it being Silver)?
Thanks,
Jay
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Hi there,
I think you are correct and these are Swedish hallmarks.
The marks are a little small, but it does appear to have the three crowns which is the Swedish national mark (third mark from the left).
C10 would probably be the date letter, which dates the piece to 1977 I think.
Of the other marks, one would be the makers mark, one the town mark and one the silver standard.

Regards,
Ben