The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Llanberis Pass and the Twin Lakes. Aero Pictorial. No P. 13130. RP. 1952
Llanberis Pass and the Twin Lakes. Aero Pictorial. Air Photograph. 1953
Llanberis Pass and Lakes. Valentine. No 69637. RP
Llanberis Pass and Lakes. A. E. Vollam. Valentine. XL. RP
Llanberis Pass and Lakes Valentines RP
Llanberis Pass and Lakes. 69637. Valentines Series
Llanberis Pass and Lakes. RP. Postcard
Llyn Padarn and the View East in the Llanberis Pass. M. and L. National Series