Prototype Caltrain logo, traced from 1982 photograph of ex-SP 3187 decked out in Caltrain livery.
<a href="//commons.wikimedia.org/wiki/User:Mliu92" title="User:Mliu92">Mliu92</a>
<span class="int-own-work" lang="en">Own work</span>, traced from <a rel="nofollow" class="external text" href="http://www.railpictures.net/photo/467144/">raster source</a>