A Vintage Square One Quart Milk Bottle produced by Thatcher Glass Manufacturing Company in the 1950's. The Square One Quart Thatcher Milk Bottle stands 9 1/2 inches tall, a 3 1/4 inch square base and 2 1/4 inch outside diameter on the opening. The Milk Bottle is marked on the heel on all 4 sides. The marks are: "One Quart", "Liq.", "3 Reg." and "Sealed, the Thatcher mark, AS". The Thatcher Milk Bottle is in very nice condition.