Vintage A.W. Birt & Sons Threaded Apothecary Glass Screw Top. Unsure of dater what bottle it sat atop, however A.W. Birt & Sons were a London manufacturer of cork stoppers. Mint condition no cracks or chips. Filled with fizz. A.W. Birt & Sons Wapping London. 2.5"dia x 1.5"tall $110 + S/H