Dating antique glass

See also: Safely store, display your old family photographs.Another extensive online resource is the Library of Congress.The reflective coating used on the back of the glass is what makes a sheet of glass become a mirror.The materials used to create this effect have changed greatly over the years.Telltale signs of age, such as oxidation and scratches, help determine whether that prized mirror is a reproduction or true antique. Modern sheet glass is typically smooth and free of bubbling, thanks to manufacturing techniques that weren't known in centuries past.Look closely at the mirror glass for a slight waviness or random bubbles within the 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.