Scott 1452 mint 6c - Wolf Trap Farm Park National Parks Centennial, 1972 Commemorative Stamps. representative stamp imaged.
Scott 1452 mint 6c - Wolf Trap Farm Park, National Parks Centennial, 1972 Commemorative Stamps. representative stamp imaged.
Scott 1452 mint 6c - Wolf Trap Farm Park, National Parks Centennial, 1972 Commemorative Stamps. representative stamp imaged.