This is an image of a municipal monument in Amsterdam with number
Felix Winkelnkemper
CC BY-SA 2.0
<a rel="nofollow" class="external free" href="https://www.flickr.com/photos/winkelnkemper/43375745571/in/album-72157698543117334/">https://www.flickr.com/photos/winkelnkemper/43375745571/in/album-72157698543117334/</a>