What makes you think the tip was reground? You say "it's rather obvious" but I don't see it.
Comparing to pixelfixed's photo the barber's notch looks the same, and the overall profile looks the same. Maybe in the first pic on the Ebay listing there is a weird artifact right at the point of the razor. It's a fairly crappy photo (reason enough not to pay inflated prices for the razor) but I could maybe say the point looks a bit rounder than pixelfixed's but it's difficult to say because we are looking at them from different angles. The fifth pic on Ebay the tip looks fine to me. Maybe when it was last honed the tip got rounded a bit?
Please let me know what you see that I don't, thanks!