Pictured: The freed slave behind moving letter to old master after he was asked back to work on farm | Daily Mail Online Posted on August 22, 2016 by John Oliver Mason Pictured: The freed slave behind moving letter to old master after he was asked back to work on farm | Daily Mail Online Source: Pictured: The freed slave behind moving letter to old master after he was asked back to work on farm | Daily Mail Online Share this:TwitterFacebookTumblrLinkedInMorePrintEmailPinterestLike this:Like Loading...