Non dug 1-piece Militia artillery coat button. It is listed in Albert's as AY 59. The front has a neat eagle perched on a cannon with flag with ARTILLERY above. The reverse has an 1820's ROBINSONS, JONES & CO . ATTLEBORO . EXTRA . * . * . *. RICH . * . * . * . backmark. The shank is straight. This button measures 21.5 mm in diameter. $55