Old Polish steam locomotive Ol 49-12, now it belongs to Stoomcentrum Maldegen heritage railway in Belgium. This photo though was taken on Dendermonde-Puurs steam railway, were it was guest locomotive during "weekend of the train" happening on September 17 and 18, 2005.
<a href="https://en.wikipedia.org/wiki/ru:%D0%A3%D1%87%D0%B0%D1%81%D1%82%D0%BD%D0%B8%D0%BA:Kneiphof" class="extiw" title="w:ru:Участник:Kneiphof">Vitaly Volkov</a>
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>