The railway coach DSB B 51 86 20-80 314-9 from 1967 in the speciel exhibition Drømmene kupé at Danmarks Jernbanemuseum in Odense in Denmark. It could have looked this in the Schweiz-Express.
<a href="//commons.wikimedia.org/wiki/User:Dannebrog_Spy" title="User:Dannebrog Spy">Leif Jørgensen</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>