This is a Chase Blue Doric Cocktail Shaker set. It has the Blue Doric Cocktail shaker, 6 Chase Blue Doric glasses and the Chase tray. All pieces are marked Chase and the stamped Centaur logo. It is ca 1930s and the shaker is extremely hard to find in this excellent condition, it is shiny and bright inside and out and no dents, dings, or plate loss. All of the items are in good shape with normal wear to the tray and a little to the cups.