Author awarded the Pulitzer and Nobel prizes. Works include The Grapes of Wrath, East of Eden, and Of Mice and Men. Ballpoint signature, “John Steinbeck,” on one of his off-white 3.75 x 2.25 embossed calling cards. Accompanied by a 1961 TLS on McIntosh and Otis, Inc. letterhead, acknowledging the signature. In fine condition. R&R COA.