British School (18th c.), (4) fine watercolors, British School (18th c.), each depicting Welsh coastal landscapes, incl. views of Aberystwyth and Milford Haven, c. 1790, watercolor on paper board, each unsigned and titled with geographical information on lower margin, two dated 1790 and 1795, matted and unframed, each 5"h x 8.5"w (sight), 14"h x 18"w (mat)