Leslie Webster has suggested that there may have been relief panels in silver making up the missing areas.
The six relief panels represent the conquest of the air:
At the base, they may feature relief panels, free-standing sculptural groups or both.
This carving introduces the next relief panel depicting the Crucifixion.
Side arches and relief panels were added to the port, during the reconstruction between 1843-1845.
The entire group stands on 12-foot high granite base, which has two relief panels.
Each elevation has carved relief panels located in its end bays.
Mary Leto's relief panels also have the character of a memorial.
Ground floor A bronze-covered door with relief panels depicting figures, opens onto the entrance hall.
Six decorative relief panels ornament the upper portion of the structure.