American artist and illustrator (1882–1971) known for his crisp modernist style. Four TLSs, all signed “Rockwell,” three one-page and one two-page, all on his personal stationery, dating from 1959–1960. In fine condition, with central horizontal and vertical fold to each letter, and a bit of scattered trivial soiling. Accompanied by the original mailing envelopes. RRAuction COA.