The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Clayton Tunnel c. 1905. Charles Kay. Your Library Service. 1991
Clayton Tunnel. L. B. and S. C. R. Reproduction Postcard No. 1. D. Middleton Collection. Bluebell Railway. Judges. C11684X
Clayton Tunnel. L.B and S.C.R. LPC.50. L.B.S.C. Up express headed by class B4 4.4.0 No. 54 Empress. Ian Allan
Clayton Tunnel. L. B. and S. C. R. The Locomotive Magazine Series No. 627. 1907. The Locomotive Publishing
Sussex. Clayton Tunnel. A. H. Homewood
Clayton Tunnel L. B. and S. C. R. The Locomotive Publishing. Amen Corner. London
The Mersey Tunnel. Queensway. Liverpool to Birkenhead. Junction Chambers. Mersey Tunnel. Empire View Production. RP. Charles N. Jamson. Multi View
Canal Tunnel. Dudley. Dudley Canal Trust Tunnel Trips. Castle Mill Basin. Circa 1905. Kingsley Publications
