If you held on to them you may now be rich.
In Canada, when the old dollar bills were discontinued in 1989, some people held onto them hoping they would be worth a lot of money someday.
Top 10 rare Canadian nickels include the 1926 far 6, 1947 dot, 1951 high relief, 1953 Shoulder Fold (SF) Far Maple Leaf, the 1925 and 1965 large beads.
Hand engraving Art by master-engraver Aleksey Saburov.
Hopefully, you held on to them.