A Glass Half Pint Milk Bottle produced by the Thatcher Manufacturing Company of Streator, Illinois. This Milk Bottle was manufactured in 1939 specifically for use in Minnesota. The milk bottle has a Triangle containing a 1 over MINN on the neck of the bottle. The heel of the bottle is marked "HALF PINT LIQUID, REGISTERED SEALED 1-11-14 and under the Registered is the MTC logo". The bottom of the bottle has an S to denote the Streator, Illinois plant a 7 and 39 in the injection mark. The number 39 represents the date of manufacture. This bottle measures 5 3/8 inches tall with a base diameter of 2 3/8 inches.