Early United States Marine Corps full dress eagle, glove and anchor hat badge.  1 3/4 inches across by 1 1/2 inches tall in size.  The rope "fouling" is made of twisted sterling silver wire and applied onto the cap ornament.  The top of the anchor is marked "10K". and the reverse side of the eagle is marked "STERLING".  Screw back with an early thin threaded post and early type mushroom shaped threaded keeper.