This bottle probably held sauce. The manufacturer Jonathan Reeve Pty Ltd began production of sauces and pickles in Ballarat from 1915 until 1930 when the company became insolvent. The type of A G M inscription dates the bottle to the period 1922 to 1929. Clear glass sauce bottle, pressed inscription, AGM mark on base.Pressed inscription: "This bottle is the property of Jonathan Reeve Pty Ltd Manufacturers Ballarat" "Reg No4466" On base: "M 181 M AGM" The type of A G M inscription dates the bottle to the period 1922 to 1929. The company became insolvent in 1930.glass bottles, pickle bottles, sauce bottles, jonathan reeve pty ltd, agm