Could they be silver plate?
Yeah I think they ought to be worth a few bucks. The pictures that were in them might have been of interest as well.
Linda C

Try listing it and see how it goes. Someone might pay good money for it, who knows.

They are lovely art nouveau style frames.

Look carefully for maker's marks and indications of plate or sterling or pewter.

Thanks for all the knowledgeable comments. I will look for any marks to try to determine the material.