Some NXEA operated 321s have had a white strip added saying NATIONAL EXPRESS which can be seen in this picture
taken at Stratford on April 15th 2008
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Photo from James & Martin's Picture Collection Copyright 'Jampics' m.hawkes7@ntlworld.com 
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British and Foreign Railway Pictures <A HREF="http://jampics.fotopic.net/"> Jampics Fotopic.</a>