|Note_en=Page 40. Advertisement for some sets [[overlay]]ed pens/pencils set with [[Luxor]] fountain pens and corresponding mechanical pencil, one of which marked [[Prontissimo]]. | |Note_en=Page 40. Advertisement for some sets [[overlay]]ed pens/pencils set with [[Luxor]] fountain pens and corresponding mechanical pencil, one of which marked [[Prontissimo]]. |