I know nothing about this buckle. Previous owner stated it was vintage and may be old. No markings. Measures about 2 inches long and approx 1.25 across.  If you know what it may be feel free to send a message. 

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See photos as they are an important part of the description and will help you know what you are bidding on. I do not accept returns.  I do my best to describe all items but Sometimes I miss things so the photos are important. . Please Please ask questions. Thanks for bidding and good luck. Check out all my items for some great finds. Lots of cool stuff at my sales. I can combine shipping on most.