AO-4205-3, 2007, Yoda, Star Wars, Pictorial Postmark, FDC, SC 4205, Add on, Yoda Jedi Master

Add-on cachet is:

A cachet design added to a cover which was originally uncacheted. An add-on cachet should be identified

by maker and date (mine are stamped on the back with the date) so that it is clear that it is not contemporary with the cover.