I would probably say a typo and move on, but the “Nieuw” label on those two listings makes me nervous. There is a current Nikon lens model AF-S NIKKOR 300mm f/4D IF-ED (currently back ordered @ B&H) that was released back in 2000. Note also that the two listing below are not for a D-type lens (the existing lens is a D type). I do not have a good explanation for the different prices: