Probably by Francis and John Booker. The later oval plate within an elaborately carved surround of pierced foliate decoration, with crest and apron incorporating rusticated pagodas, C-scrolls, lidded urns and further foliate decoration.
For similar examples of giltwood mirrors by Dublin “Glass Sellers” Francis and John Booker, see The Knight of Glin and J. Peill, London, 2007, "Irish Furniture", p. 146, fig. 198 and p.266, fig. 243.