I went through a couple of bags of older nickles and found a few interesting coins, but I would appreciate help with identifying errors. I believe the 1962 D is just post-mint damage, but I am not sure about the 1959 or 1939 nickles.
Well you have circulation damage flattening the tops of the devices. There there is the coin wrapper damage (where it says 1962-D) on the right side of the building. The die that struck your coin was in it later die states. (a die event aging) Heavy die flow lines on the fields. Coin damage on the Montecello devices. None of these are mint errors. None of these are a coin variety, but coin/die wear issues. So these are a spenders.