Bottle shown holds 1.75 oz.; there are also 1/2 oz., 1 oz., and 3 1/2 oz. sizes. This #485 cologne (1920-1935) has the #64 pointed stopper; it also came with the #71 peg stopper. Another Hexagon Stem, #487, came with the #63 flat topped stopper and was made 1920-1933.
