Circa 1850's, two part convex coat size button.  Star count is artistic and not symbolic.  Button depicts symbolism of New Hampshire, a sailing ship, inscription "New = Hampshire / * Vol. Militia * ".  This die pattern depicts the flag with a calm flutter, double hyphen in the inscription, the foremast falls between the "E" and "W".   BM: "SCOVILL MF'G. CO. / (dot) WATERBURY. (dot)" rmdc on a plain field.  Very fine condition, nice gilt patina.  Shank present & straight.  Albert's NH6, Tice's NH200A2.