The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
New Discoveries at Dan Ur Ogof Caves. Swansea Valley. First explored Easter. 1966. by S. W. C. C. Harvey Barton
Swansea Valley. New Discoveries at Dan Yr Ogof Caves. Harvey Barton
New Disciveries at Dan Yr Ogof Caves. Swansea Valley. First explored Easter 1966 by S. W. C. C. Harvey Barton
Imdq. Cathedral Cave. Dan Yr Ogof Caves. Swansea Valley. Harvey Barton. 1979
The Nuns. Dan Yr Ogof Caves. Swansea Valley Caves. T. J. and D. Davies. RP
The Cathedral Cave. Dan Yr Ogof Caves. Nr. Abercrave on A 4067 Road. Swansea Valley. Harvey Barton. A Shell Mex and B. P. Photo By K. Phillip
IMO Angel. Dan Yr Ogof Caves. Upper Swansea Valley. Britains longest and largest Show Caves. Harvey Barton
Cathedral Cave. Dan Yr Ogof Caves. Swansea Valley. Harvey Barton
