Help to Identify a serving set

I would very much appreciate help in identifying this silver serving set. I’m sorry the marks aren’t clearer. I’ve also attached a picture of the case and the vendor label on its back, though it is not obvious to me that this is the original case. I appreciate your time and expertise.
Sincerely, Richard7

Your picture of the mark is upside down. I think that the gothic letters are AC&Co with the other mark probably reading EP over NS sideways (EPNS = electroplated nickel silver). If it is AC&Co it’s not one which is listed on my go-to site for electroplate marks (