The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Yunkang. Outside View. Cave No. V. VI. Wen Wu Press
Inner View. Cave No. VI Yunkang. Northern Wei 386 534 A. D. Wen Wu Press. Peking. China
Inner View. Cave No. VI Yunkang
Buddha Image Cave No. XX. Yunkang. Northern Wei. Wen Wu Press. Peking
General View of the Yunkang Caves
Cheddar. Aladdin Cave. Lower View. Gough Cave. J. Arthur Dixon. D. R. G. Cheddar Caves
Jenolan Caves. N. S. W. Australia. Minaret River Cave and Jenolan Caves House. Garrick Cards. Multi View. 1973