The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Gibraltar. St. Michael Cave. Rock Photographic Service. 1988
Gibraltar. Saint Michael Cave. Rock Photographic Service. Golden Shield
Gibraltar. St. Michael Cave. Rock Photographic Service
Gibraltar. St. Michael Cave. Rock Photographic Service. No. 103. Golden Shield
Gibraltar. St. Michael Cave. Rock Photographic Service. No. 17
