Notice from 1962 in an old tram of Copenhagen, KS 587 from 1940, at Sporvejsmuseet Skjoldenæsholm in Denmark. The notice tells that the summer timetable will come into force as of 1 May 1962
<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>