We don’t see many American Swans of this date – late twenties, early thirties. It bears some resemblance to the British SF range of a similar period.
It has a smaller white Swan on the cap top than you would see on British pens.
It bears a shapely New York nib, a fine with some flexibility. The section is especially sculptural.
The main feature, of course, is the jade bands at top and bottom of the cap.