I think that previous year bucks should be allowed if they have never been entered in a contest in the past.  I shot a trophy 8 point in 1989 and it has never been entered in any contest "ever".  I think that I should be able to enter my buck at a chance to win a prize just like everyone else.  If you deny someone a chance to win a prize simply because it was shot in a previous year than your being "discriminating."  As long as your buck has "Never been entered in a contest in past years" than it should be allowed.  Some people enter their bucks in several contest