Portrait of a Man (Colonel John Beaumont?)

Inscribed at lower left in pen and brown ink: Col. Beaumont.; at lower left in graphite: Col Beaumont (partially effaced); at lower center: [Col Beaumont], effaced; at lower right, RW; on verso at center, Col Beamont; in decorative border in lower center, (signed); on album leaf at right: Colonel John Beaumont / one of the 6 Porstmouth / captains in the Duke [?] / of Gerxxx Rep? / cashiered [?] in 1688 / for refusing to admit / Irishmen in their / companies - They / moved to Portsmouth / and declared for / the Prince of Daup[?] / See the print by / White; beyond upper right corner of decorative border: 14.