Ok, I saw this and initially thought that the guy just screwed up and said 6730 when what he had was a 8077 or 8088, but then I looked at the pictures and saw that the box actually said it was a model 6730--help?
http://cgi.ebay.com/Vintage-Sargent-Greenleaf-Combination-Padlock-w-Box-NOS_W0QQitemZ160005001768QQihZ006QQcategoryZ3557QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
By the way, what's the difference between the 8077 and the 8088?