The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Elmer Keene. South Stack Lighthouse. Holyhead. E. T. W. Dennis. Series No. 113. Denniss Hand Coloured Bromide Series. 1926
South Stack Lighthouse. Holyhead. Dennis. No. 113. Elmer Keene. Elmeresque
Holyhead. South Stack Lighthouse. E. T. W. Dennis. Dennis Hand Coloured Bromide Series No. 113. Elmer Keene
South Stack Lighthouse Holyhead. W. and A. Cooke Holyhead
Holyhead. South Stack Lighthouse. Valentine. RP
Holyhead. South Stack Lighthouse. F. U. S. Frith Series