Ticket markers for the multi-ride tickets klippekort and card readers for the travel card Rejsekort at Østerport Station in Copenhagen. The klippekort went out of use in 2015 but many ticket markers for them are still around.
<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>