34th President of the U.S., five items: signature on a White House card, 3-3/8 x 6 in.; signature written across a Monaco stamp with Eisenhower's portrait, 2-1/2 x 3-1/4 in.; postcard with Eisenhower's portrait and stamp, 5-7/8 x 4-1/8 in.; White House card with Mamie Eisenhower's signature, 2-1/2 x 4 in.; and a typed letter signed by Mamie Eisenhower on White House stationery dated October 5, 1956, thank you note with original envelope, letter measures 9-1/8 x 6-1/8 in.; Provenance: Property from the Duke Family Collection very good condition