|Note_en=Advertising for the metal cap [[Esterbrook SM]]. It also show a [[Dip-Less]] desk pen and a series of different interchangeable nibs indicated by their [[Numerazione Esterbrook|numbers]]. | |Note_en=Advertising for the metal cap [[Esterbrook SM]]. It also show a [[Dip-Less]] desk pen and a series of different interchangeable nibs indicated by their [[Numerazione Esterbrook|numbers]]. |