The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Holyhead. South Stack Lighthouse. Photochrom. No V.205
South Stack Lighthouse. Holyhead. Pelham
Holyhead. South Stack Lighthouse. Photochrom. Exclusive. 1927
Holyhead. South Stack Lighthouse. Photochrom. Wedgwood. No 6452. 1917
Holyhead. South Stack Lighthouse. Photochrom. Grano Series
Holyhead. South Stack Lighthouse. Valentine. RP
Holyhead. South Stack Lighthouse. F. U. S. Frith Series