A   <a href="https://en.wikipedia.org/wiki/Belgian_State_Railways_Type_23" class="extiw" title="en:Belgian State Railways Type 23">type 53</a> steam loc from Belgian railwxay company <a href="https://en.wikipedia.org/wiki/National_Railway_Company_of_Belgium" class="extiw" title="en:National Railway Company of Belgium">SNCB-NMBS</a>, as displayed at  <a href="https://en.wikipedia.org/wiki/Chemin_de_Fer_%C3%A0_vapeur_des_Trois_Valle%C3%A9s" class="extiw" title="en:Chemin de Fer à vapeur des Trois Valleés">CFV3V</a> museum in Treignes, Belgium. This largely widespread shunter was operated in most belgian stations with a shuting capability in the last decades of steam traction in Belgium. This particular engine is the only one preservred from this type.
<a href="//commons.wikimedia.org/wiki/User:Noben_k" title="User:Noben k">Noben k</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>