I believe this translates something like ...
The Morning Train on the Rhaetian Railway
Kontrollfahrt im Bahnland Graubünden Echte Menschen. Echte Ferien.
(Control run in Bahnland Graubünden Real people. True Self.)
This postcard is postmarked from Switzerland in 2016 with the signatures of 18 people from a Postcrossing meet-up.
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They started building the original train tracks here on June 29, 1988.
Bay Window, Blue, 2 - 200