Dating antique glass
If the frame itself looks brand new, as if it has no dust or discoloration in any of the details, there's a chance it is not an antique.If the oxidation looks too even or uniform, the piece may not be antique.Look for scratches that seem they've been there for a long time as well, as they may indicate a true antique. Carefully studying the frame also helps determine whether the mirror as a whole is new or old.Since I'm no fashionista, I turned to websites such as Family Chronicle, which also has published two books on dating photos, for help in matching styles with a particular era.
Consulting experts such as Maureen Taylor, whose website includes a blog and provides teleseminars, are also a good resource.
In my photo, both men are wearing loose-fitting jackets with wide lapels.