The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Gwynedd. Ceudwll Llechwedd Slate Caverns. Judges. C. 3387
Ffestiniog. Blaenau. Llechwedd Slate Caverns. Ceudwll. Llechwedd. Judges. C 5674 X
Gwynedd. Ceudwill Llechwedd Slate Caverns. Judges. C. 3387
Gwynedd. Blaenau Ffestiniog. Ceudwll Llechwedd Slate Caverns. Judges. C 3387
Slate Splitter. Ceudwll Llechwedd Slate Caverns. Judges. C 3388. 1999
Ceudwll. Llechwedd. Slate Caverns. Judges. C. 5674. X
Ceudwll. Llechwedd. Slate Caverns. Judges. C. 5674. X. 1981
Gwynedd. Blaenau Ffestiniog. Ceudwll Llechwedd Slate Caverns. Judges Limited. C 3387. 1982
