This Duofold is dated to prior to the switch to the streamline style and is sporting the "small" Duofold imprint. I am estimating the pen to be the late 1920's but prior to 1929 as that is when the streamline style was introduce.
Details:
Nib: 14k Gold Extra-Fine
Filling System: Button
Dimensions:
Condition: The pen is in very good condition with only minimal darkening of the barrel as is commonly seen on these pens. There is some plating loss on the high points of the clip. The imprint is clear and still slightly crisp.The filling system has been fully restored with a latex sac.
Country of Manufacture: United States
Made by Parker in the United States, Restored by Fifteen Pens in Ottawa Canada
Parker Pens currently available
Comes with a 1 year warranty