The <a href="https://en.wikipedia.org/wiki/London_Transport_Museum" class="extiw" title="w:London Transport Museum">London Transport Museum</a>'s preserved <a href="//commons.wikimedia.org/wiki/Routemaster_prototype_RM1" title="Routemaster prototype RM1">Routemaster prototype RM1</a> (reg. SLT 56), pictured at the <a href="//commons.wikimedia.org/wiki/Category:2010_Cobham_bus_rally" title="Category:2010 Cobham bus rally">2010 Cobham bus rally</a> operating the rally shuttle service, route 477 (also denoted by the S in the window) between the rally site at <a href="https://en.wikipedia.org/wiki/Wisley_Airfield" class="extiw" title="w:Wisley Airfield">Wisley Airfield</a> and <a href="https://en.wikipedia.org/wiki/Cobham_bus_museum" class="extiw" title="w:Cobham bus museum">Cobham bus museum</a>.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/87347455@N00">Chris Sampson</a> (original), cropped by User:Ultra7
CC BY 2.0
Crop of <a href="//commons.wikimedia.org/wiki/File:London_Transport_Museum_Routemaster_prototype_RM1_(SLT_56),_2010_Cobham_bus_rally_(1)_uncropped.jpg" title="File:London Transport Museum Routemaster prototype RM1 (SLT 56), 2010 Cobham bus rally (1) uncropped.jpg">File:London Transport Museum Routemaster prototype RM1 (SLT 56), 2010 Cobham bus rally (1) uncropped.jpg</a>