VL Uisko, one of the ships of the Finnish Border Guard, in the harbour of Toppila in Oulu, Finland. (The image has been rotated and cropped somewhat, as the original photo was rather tilted.)
<a href="//commons.wikimedia.org/wiki/User:Methem" title="User:Methem">Methem</a> (Mikko J. Putkonen)
<span class="int-own-work" lang="en">Own work</span>