Source: UNESCO World Heritage
Postcard 1 - Caernarfon Castle
Caenarforn Castle, Wales of United Kingdom using a local 1st p[ostage with Year of Snake stamp. Thanks to Anu of United Kingdom.
Postcard 2 - Conwy Castle
Conwy Castle in Wales. Thanks to Toyah of Wales, United Kingdom.
Postcard 3 - Beaumaris CastleBeaumaris Castle - Pori wrth y castell. Thanks to Johnson for sending from UK.
Postcard 4 - Harlech Castle
Harlech Castle from the beach. Nice stamp of giants. Thanks to Anu of UK for another nice UNESCO card.