The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Holyhead. South Stack Lighthouse. Valentine. RP
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South Stack Lighthouse. Holyhead. Valentine. No W 3306. RP
Holyhead. South Stack Lighthouse. Valentine Series
South Stack Lighthouse. Holyhead. W3306. Valentines. RP
South Stack Lighthouse Near Holyhead. Valentine