British School (18th c.), (4) fine watercolors, British School (18th c.), depicting coastal and rural landscapes incl. Barmouth and Conway, c. 1790s, watercolor on paper board, each unsigned and titled with geographical information on lower margin, three dated 1787, 1790, 1797, matted and unframed, each 5"h x 8.5"w (sight), 14"h x 18"w (mat)