|Note_en= for the use of same illustration of [[:File:1917-06-Parker-Mitraglia.jpg|this other version]]. Advertising for a [[Parker Lucky Curve]] n. 20. Contributed from an author requiring to be anonymous. Published under his permission. | |Note_en= for the use of same illustration of [[:File:1917-06-Parker-Mitraglia.jpg|this other version]]. Advertising for a [[Parker Lucky Curve]] n. 20. Contributed from an author requiring to be anonymous. Published under his permission. |