The Walnut and Silver Seal was first displayed on May 14, 1975.
- Artist: Kent Baldwin, Nashville, Tenn.
- Base and Rim: American black walnut displaying hand-carved American white oak leaves and acorns
- Profile: Cornelius Vanderbilt, hand-chased sterling silver
- Rope: engraved sterling silver
- Acorns and letters: individually cut, shaped and engraved sterling silver