Vintage fountain pen signature, "John D. Rockefeller,” on an off-white 3.5 x .75 slip. Included is a matte-finish portrait of the oil industry magnate in later age. In very good to fine condition, with light toning to the bottom of the slip. Accompanied by a signature of his son, John D. Rockefeller Jr., two signatures from his grandson, John D. Rockefeller III, and an assortment of calling cards and invitations.Format: Signature