Thames Conservancy boat registration plate from 1897.
Thames Conservancy boat registration plate from 1909.
Thames Conservancy boat registration plate, from 1947.
Thames Conservancy Upper Thames Patrol boat registration plate, for the boat "Vinia", from 1939-1945.
Thames Conservancy boat registration plate dated 1913.
Thames Conservancy insignia plaque dated 1857, from De Bohun House in Reading.
Conservators of the River Thames - boundary post marker. Used to mark the boundary between land owned by the Thames Conservancy and that owned by others.