Cut crystal standing cup

Beautiful cut crystal standing cup most likely from saint louis) It is in good condition. The base of the foot is square and the underside chiseled. The piedouche is cut into facets. The round cut is cut in diamond point on the upper perimeter and the underside of the cut of palmettes. Size. The cut at the base is 10.7 X 10.7 and the thickness of 2 the height of 10. The cut is 9 high by 27 in diameter the thickness is 1.