Back in those times of the depression no one had the money to buy expensive items which is when depression glass came about. Affordable cheap glass that would look nice on your dinner table. The glass would contain flaws like bubbles for example because of mass production, and cheap materials. All vintage items are researched prior to sell. Buy with ease and know what you are getting is real and legit! Plus a great price for the set! you can see this item and more at mandileighs on shophandmade.com