This is a vintage print by the English artist Arthur Elsley (1860-1952). The title doesn't show on this print, but it is called "Keeping Watch." The Saint Bernard dog is watching over the young girl sleeping at the beach. You can see people swimming in the background. At the lower left is "Copyright 1907 by Arthur J. Elsley 1906." The artist was known for his portraits of children and their pets.
It is in a gold wood frame, with old glass, a cardboard backing, with a wire for hanging.
Size: The frame measures approximately 7 3/8" tall and 9 3/8" wide. The opening in the back measures approximately 6" by 8".