Historic parking forbidden road sign (from 1937-1969) in the corner of Kaikukatu and Pengerkuja in Kallio district, Helsinki, Finland.
<a href="//commons.wikimedia.org/wiki/User:Arkke" title="User:Arkke">Arkke</a>
CC BY 4.0
<span class="int-own-work" lang="en">Own work</span>