Np. Nd, 1940s? About 9 x 6.”. Harold Dunbar (1882-1953) was an American artist, born in Brockton, MA. During his lifetime he had studios in Belmont, Brookline and Chatham, MA. Dunbar produced another, vaguely similar pictorial map of Chatham, perhaps around 1940. We find no trace of the..... More