Pages 14 and 15 of the Queensway Mersey Tunnel souvenir album
Page 14: Liverpool; the royal party taking their leave, about to enter the waiting motor car for the ceremonial drive through the tunnel to Birkenhead. Archive reference number 11256-3. See if you can spot a mysterious figure above the crowds in the background.
Page 15: Liverpool; the royal party in their vehicle approaching the tunnel entrance. Archive reference number 11256-11.