<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by Old Gold:
FC reward tickets come out of the "E" class bucket, which is much less common then "F" class.</font>
Just to clarify this: FC tickets paid fully with miles come out of E. FC tickets based on a paid coach ticket plus miles for the upgrade come out of F. I know you didn't say otherwise in your message, but it could be interpreted either way.