1956. Delaware. Stock certificate for 100 shares of Seatrain Lines, Inc. Blue/Black. Engraved vignette of Mercury flanked by a train and ship at top center. Issued to and Signed on verso by J. Stillman Rockefeller. Banker; Grandnephew of John D. Rockefeller. A prominent banker, James served as president of Rockefeller National City Bank. Lightly punch cancelled and Extremely Fine.