Anyway, there are a number of coats of arms with a depiction of Saint Nicholas on them. The two shown here are the arms of the towns of Ergersheim, France (on the left) and of Waal, Germany.
Finally, and my favorite of all of them, are the arms of Sint Niklaas, Belgium (shown here in two variations; the one on the tile comes from the Saint Nicholas Center's website at http://www.stnicholascenter.org/Brix?pageID=46). I'm not sure about the turnip. I have to assume it has less to do with Saint Nicholas than it does with the town or region in which Sint Niklaas is located.