Porchester Castle; Alexander Monro; 1802-1844; undated; Watercolor and graphite on moderately thick; smooth; cream wove paper; Sheet: 2 7/8 x 4 5/16 inches (7.3 x 11 cm); architectural subject; battlements; castle; crenelations; keep; ramparts; ruins; stonework; Towers; walls; England; Europe; Hampshire; Portchester; Portchester Castle; United Kingdom