<p>c/n unknown.
Actually an ex-US Marines OY-1 with the Bureau No 03917, but painted to represent an Army L-5B with the tail no ‘203917’. 
The Sentinel Owners and Pilots Association (SOPA) database lists this machine as also having the US Army serial 44-17494.
On display in the Travis AFB Heritage Center, CA.
</p>
5th March 2016
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/65001151@N03">Alan Wilson</a> from Stilton, Peterborough, Cambs, UK
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/ajw1970/30209710832/">Stinson ‘L-5B’ Sentinel ‘203917’ “Guinea Short Lines” (N5473V)</a>