An excellent example of a 1 piece flat pre Civil War United States Navy Officer’s button Albert# NA-81-A. Button dates from circa 1820 to 1830. Backmark reads ” UNITED STATES NAVY “. Most of the gilded finish remains. A truly gorgeous button with a very desirable backmark. Button measures 24.15mm. See photos for condition details. All buttons are guaranteed to be original and of the period indicated in the description. Please see our other listings of military buttons as well as other fine antique and collectible items. We have helped build many fabulous button collections over the years and take great pleasure helping you build yours.