This is an original ww2 German u-boat compass. Measures 5 1/2 inches approx. across face with a balance bar surrounding it. Stamped bxx on one side and w.9839 on the other. Body appears to be bakelite. E-mail with any questions. Find out more about us from our ME page. We have had a retail store for 18 years. Paypal is fine. Buyer pays shipping rates ONLY, no handling fees Also, check out our other auctions. Thank you.