New to the forum seeking help

digging around i found 3 items which peeked my interest, so i gave them a clean, now i want to know more about them, what they are, how old who made them. Ive done my best to photograph them and any marks. so heres the first, this is actually oval but my resizing made it round :frowning:
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This is electroplated, not silver. EPNS = ElectroPlated Nickel Silver. Iā€™m not sure about the manufacturer or the purpose of this, but it may have originally had a glass liner.