The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
South Stack Lighthouse Holyhead. W. and A. Cooke Holyhead
Holyhead. Headland and South Stack Lighthouse. F. Frith
Holyhead. South Stack Lighthouse. Valentine. RP
Holyhead. South Stack Lighthouse. F. U. S. Frith Series
Holyhead. South Stack Lighthouse. Photochrom. No V.205
South Stack Lighthouse. Holyhead. Milton. Woolstone. RP
South Stack Lighthouse. Holyhead. Pelham