The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Gatun Locks Panama Canal. B. Hopkins
Gatun Locks Panama Canal
East Chamber looking north Gatun locks. Panama Canal. I. L. Maduro
Mitre sill for gates. Gatun locks. Panama Canal. I. L. Maduro
Gatun Locks. Panama Canal. H. V. Scott. 1934
64B. U. S. Navy Transport Henderson in the Middle West Chamber. Gatun Locks. Panama Canal. I. L. Maduro. 1929
Panama Canal. Gatun Locks. Looking South. I. L. Maduro
Panama Canal. Gatun Locks. Mike Roberts. Flatau. PM. Long Beach. CA. 1978
