Pair of vintage champagne glasses - 4 oz. size

Pair of vintage glasses for champagne. No brand markings. Approx. measurements: 4 1/4” total height (stem is almost 3") 3 1/2" top diameter 3” base diameter Good condition, no cracks. The base of one glass has some rough areas. See last picture + video. Holds 4 oz when filled to brim. Pictures #2 -#3 have approximately 2 oz. of cranberry juice. I washed them in the dishwasher before listing and there were no problems. Matches vintage liquor / cordial glasses listed separately in my closet and shown with champagne glasses in last pic.