Here's one that just sold on ebay. They can't be that rare can they?
I'd like to see pictures of any other 60 series machines.
Nicholas
[URL unfurl="true"]http://cgi.ebay.com/Hoover-Model-61-Vintage-Vacuum-Original-Attachments_W0QQitemZ180260388085QQcmdZViewItem?hash=item180260388085[/URL]