Carisbrook Castle; Isle of Wight; Frederick Calvert; ca. 1785-1845; Irish; undated; Watercolor and gouache on medium; slightly textured; cream wove paper mounted to card; Sheet: 4 7/8 x 7 7/8 inches (12.4 x 20 cm) and Mount: 5 x 8 inches (12.7 x 20.3 cm); arch; architectural subject; castle; figures; guards; Carisbrooke; Carisbrooke Castle; England; Europe; Isle of Wight; United Kingdom