A nice goblet. That is the problem with photo's some pieces just don't look the same as they do in reality.
The only thing with the goblet that may help in the future is to sand the little piece off on the base in the centre and blend it to the rest of the foot. You will feel better about the piece as well, I know I do when I clean up the little bits and pieces. What I use is a small disc like the Sinon Hope ones from his sanders and fit that into a drill press and then clean any little stubs off, you could just use a drill with the press it eaves both hands free to hold the piece with