An early 19th century giltwood and gesso landscape overmantel mirror

An early 19th century giltwood and gesso landscape overmantel mirror, with three later bevelled plates flanked by ribbed Corinthian columns to a classical frieze, relief decorated a victory procession to a applied ball cornice, 35.5 x 58.25in (90.2 x 148.3cm). Losses to the left side column, some pieces present.