Tile sign in New York’s 34th Street/Penn Station subway station, showing direction to Pennsylvania Station. Notable for punctuation of abbreviation “Penna.”, using a period even though this only omits internal letters.
<a href="//commons.wikimedia.org/wiki/User:Nbarth" title="User:Nbarth">Nbarth</a>
12 September 2018 (according to <a href="https://en.wikipedia.org/wiki/Exchangeable_image_file_format" class="extiw" title="en:Exchangeable image file format">Exif</a> data)
<span class="int-own-work" lang="en">Own work</span>