British School (18th c.), (4) fine watercolors, British School (18th c.), each depicting castles in Welsh landscapes, incl. Bronllys, Benton, Portland and Pembroke Castles, c. 1790, watercolor on paper board, each unsigned and titled with geographical information on lower margin, one dated, matted and unframed, each 5"h x 8.5"w (sight), 14"w x 18"h (mat)