Beautiful and rare example of an early Convair.  Note pre-revolutionary markings
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/130275500@N02">G B_NZ</a>
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/130275500@N02/26474581435/">CAT Convair 240 XT-610, Beijing Aviation Museum</a>