www.925-1000.com

Thank you so much, I really appreciate your help.

Apologies - I had to learn how to embed images. Here they are.

Thank you in advance for your help. I have this heavy silver tray with handles with several hallmarks. I've poked around this website and am unable to identify if this is sterling, plate, or any information on it's origin. I picked it up at a thrift store many years ago.
https://imgur.com/a/auYr3I8